BIO-DATA

Prof. V. K. Singhal

1.	Name	: Dr. V.K. SINGHAL
2.	Designation	: PROFESSOR
3.	Department	: BOTANY
4.	Date of Birth	: 24.3.1953
5.	Address for Correspondence	: Department of Botany, Punjabi University, Patiala – 147 002
	Phones	: 0175-2206611
	Mobile	: 98726-46611
	Fax	:
	E-mail	: vksinghal53@gmail.com
6	Areas of Specialisation	: I. Plant Systematics II. Cytogenetics III. Forestry

7.      Academic Qualifications:

Sr. No.	Degree Held	Year	Board/Univ./ Inst.	% of marks	Div./ Rank	Subjects Taken
1	Matric	1969	Pb. Univ. Chd.	59.1	II	Eng., Hindi, Pbi., SST., Maths, Science
2	B.Sc. (Med.)	1973	Pb. Univ. Chd.	64.8	I	Botany, Zoology, Chemistry, G.Ed. (Opt.)
3	M.Sc. (Botany)	1976	Pbi. Univ. Patiala.	66.1	I	Botany
4	Ph.D.	1983	Pbi. Univ. Patiala.			Cytogenetics of forest tree species

8. Membership of Professional Bodies/Organisations

i) Associate Editor, Jour. Punjab Acad. Sciences

ii) Councillor, North Zone Jour. Tree Sciences

iii) Life Member, I.S.T.S., I.S.C.G., Pb. Acad. Sciences.

Reviewer: a) Journal of Medicinal Plants Research

b) International Journal of Genetics and Molecular Biology

c) African Journal of Plant Science

d) Caryologia

e) Turkish Journal of Biology

f) African Journal of Biotechnology

9. Medals/Awards/Honours/Received

i) Nil

10. Scholarships:

i) UGC Project fellowship

11. Details of Experience:

S. No.	Name of the Inst./Employer	Position Held	Duration	Major Job Responsibilities and Nature of Experience
1.	Pbi. Univ. Patiala.	Curator, H. & M.	Two & Half yrs.	Incharge Herbarium & Museum, Teaching M.Sc. & M. Phil.
2.	Pbi. Univ. Patiala.	Lecturer	13 yrs	Incharge Herbarium & Museum, Teaching M.Sc. & M. Phil.
3.	Pbi. Univ. Patiala.	Reader	8 yrs.	Incharge Herbarium & Museum, Teaching M.Sc. & M. Phil.
4.	Pbi. Univ. Patiala.	Professor	23.12.05 to till date	Teaching M.Sc. & M. Phil.

12. Published Work (Please specify numbers only):

a. Research Papers i) National = 33

ii) International = 66

Total= 99

b. Conference/Seminar Presentation : 79

c. Books

i) Original :

ii) Edited : Three

(Please attach the list)

13. R & D Projects

i) Cytogenetics of Hardwoods from the forests of

Chamba and Kullu Hills of H.P. UGC

iii) Status of moth component in the Biodiversity of

Himalayan Ecosystem. MOEF, GOI, New Delhi

iv) DRS-SAP Phase-I, UGC

v) DRS-SAP Phase-II, UGC

vi) DRS-ASSIST – UGC

14. Invited Talks/Articles

i) Refresher Course on ‘Recent Advances in Botany’, Pbi. Univ.,                         Patiala

ii) Advances in Biology, Pbi. Univ. Patiala.

iii) Summer School in Agroforestry for integrated Land use, PAU,                                     Ludhiana.

15. Ph.D. Students guided/under guidance (Details) :

S. No.	Name of the Student	Title of Thesis	Year of Completion
1.	Rajni Sharma	Exploration and Evluation of Germplasm in Morus alba L. (Moraceae). A tree of Social Forestry	1992
2.	Atula Salwan	Reproductive Biology and Germplasm evaluation in N.W. Indian Aegle marmelos (Linn.) Correa. (Rutaceae)	1998
3.	Maninder Kaur	Reproductive Biology and Germplasm evaluation of ‘Neem’ (Azadirachta indica A. Juss.) from Punjab and adjoining area.	1998
4.	Amandeep Kaur	Study of Reproductive Biology and diversity of Acacia nilotica (Linn.) Willd. Ex Del. From North-West India.	2002
5.	Harneet Kaur	Study of pollination mechanism in some leguminous trees of Punjab	2002
7.	Puneet Kumar	Exploration of cytomorphological diversity in the members of Polypetalae from Lahaul - Spiti and adjoining areas.	2011
6.	Jaspreet Kaur	Exploration of cytomorphological diversity in woody species from Shiwalik Hills of North West India.	Registered (2005)
8.	Dalvir Kaur	Cytomorphological diversity in the dicotyledonous plants of Kinnaur District (H.P.).	Registered (2007)
9.	Pawan Kumar	Cytomorphological diversity in the dicotyledonous plants from Pangi valley and its adjoining hills of District Chamba (H.P.).	Registered (2009)
10.	Maninder Kaur	Cytomorphological Studies in the Dicotyledonous Plants from the Solang Valley and its Adjoining Areas of Kullu District (H.P.).	Registered (2010)

16. M.Phil./M.Tech Students guided :

S. No.	Name of the Student	Title of Thesis	Year of Completion
1.	Tejinder Kaur	Biosystematics of Morus alba Linn. I. Morphology, reproductive biology and proteins.	1987
2.	Kirandeep Kaur	Biosystematics of Murraya koenigii (Linn.) Spreng. and M. paniculata (Linn.)Jack. Morphology, Reproductive biology and proteins.	1989
3.	Simran Sidhu	Biosystematics of Punica granatum Linn. Reproductive biology and proteins	1990
4.	Raminderpreet Kaur	Reproductive Biology of Erythrina Linn.	1993
5.	Niti	Exploration of cytomorphological diversity in the woody ornamentals.	2006
6.	Sukhjinder Kaur	Cytomorphological studies in the some flowering plants of Kinnaur District (H.P.).	2009
7.	Shubhpreet Kaur	Cytomorphological investigations in the plants of Polypetalae from Dalhousie hills and its adjoining (H.P.).	2010

17. List of Papers/Courses taught at P.G. and U.G. Level

S. No.	Paper	Class
1.	Taxonomy of Angiosperms	M.Sc.-I
2.	Plant Resource Utilization	M.Sc.-II
3.	Plant Diversity & Conservation	M.Sc.-II
4.	Plant Reproduction	M.Sc.-II
5.	Advances in Botany-I	M. Phil.
6	Advances in Botany-II	M. Phil.
7	Research Methodology.	M. Phil.

18. Technical Proficiency

For the last 34 years, I am engaged in research pertaining to cytogenetics and systematics of Angiosperms. I have published more than 96 research papers on taxonomy, forest vegetation and cytomorphological diversity. I have guided 7 Ph.D. and 5 M.Phil. students. Four students are pursuing for their Ph.D. degree mainly on the cyto-morpholgical diversity, germplasm evaluation and reproductive biology. I am incharge of Herbarium & Museum which is internationally recognized and is an important component of the department.

19. List of Papers Published

Books

1. N.S.Atri, R.C.Gupta, M.I.S.Saggoo and V.K. Singhal (Eds.) Germplasm Diversity and Evaluation – Angiosperms. Bishen Singh & Mahendra Pal Singh, Dehra Dun.

2.  N.S.Atri, R.C.Gupta, M.I.S.Saggoo and V.K. Singhal (Eds.) Germplasm Diversity and Evaluation – Algae, Fungi and Lichens. Bishen Singh & Mahendra Pal Singh, Dehra Dun.

3. N.S.Atri, R.C.Gupta, M.I.S.Saggoo and V.K. Singhal (eds.) Biodiversity Evaluation- Botanical Perspective. IK Publishers, New Delhi, In press

Papers Published

1. Gill. B. S., Bir, S. S. and Singhal, V.K. 1979 In IOPB Chromosome number reports LXIV - Taxon 28: 391-408.

2. Gill. B. S., Bir, S. S. and Singhal, V.K. 1979 In IOPB Chromosome number reports LXIV - Taxon 28: 627-637.

3. Gill. B. S., Bir, S. S., Singhal, V.K. and Bedi, Y. S. 1980 Cytological studies in some grasses from Pachmarhi forests (Central India). J. Cytol. Genet. 15: 51-57.

4. Singhal, V.K., Gill, B. S. and Bir, S. S. 1980 In IOPB Chromosome number reports LXIX - Taxon 29: 347-367.

5. Singhal, V.K., Gill, B. S. and Bir, S. S. 1980 In Chromosome number reports LXIX - Taxon 29: 703-730.

6. Gill, B. S., Bir, S. S. and Singhal, V.K. 1981 In Chromosome number reports LXXI Taxon 30: 508-519.

7. Gill, B. S., Bir, S. S. and Singhal, V.K. 1981 Cytological studies in north Indian Pomegranate (Punica granatum Linn.) J. Cytol. Genet. 16: 35-45.

8. Gill, B. S., Singhal, V.K., Bedi, Y. S. and Bir, S. S. 1981 Accessory chromosomes in woody taxa. In P. K. Khosla (Ed.) Advances in Forest Genetics Ambica Publishers, New Delhi, pp. 157-166.

9. Singhal, V.K. and Gill, B. S. 1981 Structural heterozygosity in Citrus jambhiri Lush. (Rutaceae). Cell Chromosome News Letter 4: 58-60.

10. Gill, B. S., Bir, S. S. and Singhal, V.K. 1982 Cytological studies in some western Himalayan woody species II. Polypetalae. In G. S. Paliwal (Ed.) The Vegetational Wealth of Himalayas. Puja Publishers, New Delhi, pp 497-515.

11. Gill, B. S., Bir, S. S. and Singhal, V.K. 1982 Cytogenetics of some timber species of Teminalia Linn. (Combretaceae). Indian nat. Sci. Acad. 48B: 779-790.

12. Singhal, V.K., Gill, B. S. and Bir, S. S. 1982 Cytology of some Indian species of Grewia Linn. (Tiliaceae). J. Tree Sci. 1: 88-97.

13. Bir, S. S., Gill, B. S., Bedi, Y. S. and Singhal, V.K. 1982 Evolutionary status of the woody taxa of Garhwal Himalayas. In P. K. Khosla (Ed.) Improvement of Forest Biomass ISTS Publishers, Solan, pp. 81-98.

14. Singhal, V.K., Gill, B. S. and Bir, S. S. 1983 Natural triploidy in Eugenia unifora Linn. Sci. Cult. 49: 132-133.

15. Singhal, V.K., Gill, B. S. and Bir, S. S. 1983 Cytopalynology of some members of Rutaceae. Proc. Ind. Acad. Sci. 92: 381-385.

16. Singhal, V.K., Gill, B. S. and Bir, S. S. 1983 Cytology of some species of Flacourtiaceae. J. Cytol. Genet. 18: 20-25.

17. Gill, B. S., Bir, S. S., Sidhu, M. S. and Singhal, V.K. 1984 In Chromosome number reports. Taxon 33: 536-539.

18. Singhal, V.K. and Gill, B. S. 1984 Cytology of Buchanania lanzan Spreng. J. Tree Sci. 3: 126-127.

19. Singhal, V.K., Gill, B. S. and Bir, S. S. 1985 Cytological studies in some members of Malpighiaceae. Cytologia 50: 1-8.

20. Singhal, V.K., Gill, B. S. and Bir, S. S. 1985 Intraspecific polyploidy in Annona squamosa Linn. Sci. Cult. 51: 100-101.

21. Singhal, V.K., Gill, B. S. and Bir, S. S. 1985 Cytology of woody species. Proc. Ind. Acad. Sci. 94: 607-618.

22. Singhal, V.K., Gill, B. S. and Bir, S. S. 1985 Cytopalynological studies in some woody species (Polypetalae) II. J. Palynol. 21: 56-67.

23. Singhal, V.K. and Gill, B. S. 1985 In SOCGI Plant Chromosome number reports II. J. Cytol. Genet. 19: 111-117.

24. Singhal, V.K. and Gill, B. S. 1985 Cytomixis in some woody species. Biologica 2: 168-175.

25. Singhal, V.K. and Gill, B. S. 1987 Cytological Studies of woody members of Sterculiaceae. J. Cytol. Genet. 22: 96-101.

26. Bir, S. S., Bedi, Y. S., Gill, B. S. and Singhal, V.K. 1987 Forest vegetational characteristics of the Garhwal Himalayas. Bull. Bot. Surv. India 29: 292-318.

27. Singhal, V.K. and Sharma, M. 1988. Oenothera laciniata Hill from India. Indian J. Bot. 11: 195-197.

28. Sharma, M., Singhal, V.K. and Kaur, P.1988 Geranium carolinianum Linn. - An addition to the Indian Flora from Patiala district, Punjab. J. Bombay Nat. Hist. Soc. 85: 247-250.

29. Gill, B. S., Singhal, V.K. and Kaur, A.1989 Genetic variability in trees of social forestry I. Eugenia jambolana Lamk. In M. L. Trivedi, B. S. Gill and S. S. Saini (Eds.) Aspects of Plant Sciences XI. Today & Tomorrow's Publishers, New Delhi, pp. 279-284.

30. Singhal, V.K. and Kirandeep Kaur 1989. Reproductive biology of Murraya paniculata (L.) Jack. In Trivedi, M. L., Gill, B. S. and Saini, S. S. (Eds.) Aspects of Plant Sciences XI. Today & Tomorrow's Publishers, New Delhi, pp. 447-458.

31. Gupta, R. C. and Singhal, V.K. 1989 Induced autotetraploidy in Coreopsis maritima Hook. J. Cytol. Genet. 24: 167-168.

32. Singhal, V.K. and Gill, B. S. 1989 Cytological evolution in the woody taxa of Polypetalae from India. J. Tree sci. 8: 1-9.

33. Singhal, V.K., Gill, B. S. and Sidhu, M. S. 1990 Cytology of some woody members of Rosaceae from Indian forests. Proc. Indian Acad. Sci. 100: 17-21.

34. Singhal, V.K. and Gill, B. S. 1990 Chromosomal studies in some members of Anacardiaceae J. Cytol. Genet. 25: 36-42.

35. Singhal, V.K., Gill, B. S. and Sidhu, M. S. 1990 Cytological explorations of Indian woody legumes. Proc. Indian Acad. Sci. 100: 319-331.

36. Gill, B. S., Singhal, V.K., Bedi, Y. S. and Bir, S. S. 1990 Cytological evolution in the woody taxa of Pachmarhi Hills. J. Cytol. Genet. 25: 308-320.

37. Gill, B. S. and Singhal, V.K. 1990. Germplasm evaluation in Syzygium cumini for agroforestry. XIX IUFRO World Foretsry Congr. Montreal, Canada.

38. Gill, B. S. and Singhal, V.K. 1990 Intraspecific variability in Syzygium cumini. J. Tree Sci. 10: 23-26.

39. Singhal, V.K., Kirandeep Kaur, Gupta, R. C. and Gill, B. S. 1991 Breeding systems in Murraya koenigii and M. Paniculata. J. Tree Sci. 10: 1-8.

40. Gill, B. S., Singhal, V.K. and Sharma, R. 1991 Intraspecific variability in Syzygium cumini (L.) Skeels - a tree of social foretsry. J. Tree Sci. 10: 62-65.

41. Gill, B. S. and Singhal, V.K. 1992 Strategies for germplasms evaluation and conservation of west Himalayan trees. In P. K. Khosla (Ed.) Status of Indian Foretsry: Problems and Prospectives. ISTS Publishers, Solan, pp. 261-274.

42. Singhal, V.K., Kirandeep Kaur and Atula Salwan 1994. Reproductive Biology of Murraya koenigii (Rutaceae). In: Sarma, T. A., Saini, S. S., Trivedi M. L. and Sharma, M. (Eds.) Current Researches in Plant Sciences. Bishen Singh Mahendra Pal Singh, Dehra Dun, pp. 237-243.

43. Singhal, V.K., Gill, B. S. and Sharma, R. 1995 Germplasm evaluation in Morus alba for fruit. J. Tree Sci. 14: 15-17.

44. Gill, B. S. and Singhal, V.K. 1996 Cytogenetical status of North West Indian ornamental hardwoods. In P. K. Khosla (Ed.) Ecofriendly Trees for Urban Beautification ISTS Publishers, Solan, pp. 143-151.

45. Gill, B. S. and Singhal, V.K. 1997 Strategies for conservation of genetic diversity in Indian Forest Trees. XI World Forestry Congress Turkey Abs. 220 (http://www.fao.org/forestry/docrep/wfcxi/publi/PDF/V2E_T8.PDF).

46. Gill, B. S. and Singhal, V.K. 1998 Chromosomes, chromosomal techniques and chromosomal evaluation in trees. In A. K. Mandal and G. L. Gibson (Eds.) Forest Genetics and Tree Breeding CBS Publ. & Dist., New Delhi pp. 167-183.

47. Gill, B. S. and Singhal, V.K. 1998 Chromosomal systems of Indian Hardwoods In P. Kachroo (Ed.) Advances in Cytogenetics. Bishen Singh Mahendra Pal Singh, Dehra Dun pp 239-265.

48. Singhal, V.K. and Atula Salwan 1998 'Bael' - 'Ek Bahupyogi Phal' Jeevantii 16: 37-43.

49. Gill, B. S., Singhal, V.K. and Maninder Kaur 1999. North West Indian Neem - A status report. JPAS 1: 115-125.

50. Gill, B. S. and Singhal, V.K. 2000 Morphogenetic diversity in Indian forest based fruit resources. In R. K. Kohli, H. P. Singh, S. P. Vij, K. K. Dhir, D. R. Batish and D. K. Khurana (Eds.) Man and Forests ISTS, Solan pp. 9-21.

51. Gill, B. S. and Singhal, V.K. 2002 Status of Genetic diversity in Indian hardwoods. In S. P. Vij, K. Kanda, M. L. Sharma, and Ashish Gupta (Eds.) Plant Genetic Diversity, Exploration, Evaluation and Conservation. Affiliation East West Press Pvt. Ltd., New Delhi pp. 167-179.

52. Gill, B. S., Singhal, V.K. and Kaur, M. 2002 Studies on seed biology of North West Indian Neem. JPAS 2: 38-41.

53. Singhal, V.K., Kaur, A. and Gupta, R.C. 2003. Floral biology, pollination mechanism and breeding system in Acacia nilotica. J. Tree Sci. 22: 1-8.

54. Singhal, V.K. and Kaur, A. 2004. Germplasm evaluation for bark tannins in Acacia nilotica from North West India. J. Tree Sci. 23: 41.46.

55. Singhal, V.K. and Kaur, A. 2004 Intervarietal and provenance variation in pod and seed characters and seed viability in Acacia nilotica (Linn.) Willd., ex Del. In J. S. Dargan and T. A. Sarma, (Eds.) Plant Biodiversity and its Conservation Bishan Singh Mahendra Pal Singh Dehra Dun. pp.169-176.

56. Gill, B. S., Ranote, P. S. and Singhal, V.K. 2004 Polyploid complex of Jamun - Fruit Diversity in North West Indian taxa. JPAS 1: 25-28.

57. Singhal, V.K., Gill, B. S., Dhaliwal, R. S. and Sidhu, S. 2004. Morphogenetic diversity in pomegranate through isoperoxidase profile. Bionature 24: 89-94.

58. Singhal, V.K. and Kaur, A. 2004. Germplasm evaluation for gum in Acacia nilotica - a tree of agroforestry. In Chauhan, S.K., Gill, S.S., Salrma, S.C. and Chauhan, R. (Eds.) Proc. National Symposium on ‘Agro forestry’ in 21st. Century PAU, Ludhiana Agrotech. Publ. Acad. Udaipur. pp. 282-285.

59. Singhal, V.K. and Kaur, A. 2004. Germplasm evaluation for fodder characteristics in babul from North West India. JPAS 1:113.117.

60. Singhal, V.K., Sidhu, M.K. and Kaur, J. 2005.First chromosome report for the genus Helinus Meyer (Rhamnaceae). JPAS 2: 99-100.

61. Singhal, V.K., Kaur, H. and Dhaliwal, R. S. 2005. Floral biology,pollination mechanism and breeding system in Bauhinia variegata Linn. Bionature 25: 83-88.

62. Gill, B.S., Singhal, V.K. and Dhaliwal, R. S. 2006. Status of cytogenetical diversity in North West Indian Jamun. J. Cytol. Genet. 7 (NS): 87-90.

63. Singhal, V.K., Kaur, H., Dhaliwal, R. S. and Kumar, P. 2006. Phenology, pollination mechanism and breeding system in Butea monsperma (Lam.) Taub. Bionature 26: 21-32.

64. Singhal, V.K., Kaur, A. and Dhaliwal, R.S. 2007. Evaluation of morphogenetic diversity in Acacia nilotica from North West India. J. Tree. Sci. 26: 32-41.

65. Kumar, P., Singhal V.K., Sidhu, M. K., Kaur, J. and Jyotsna. 2007. Cytological investigations in some members of Monochlamydeae from northern India. JPAS 4:75-81.

66. Singhal, V.K., Gill, B.S. and Dhaliwal, R.S. 2007. Status of chromosomal diversity in the hardwood tree species of Punjab state. J. Cytol. Genet. 8(NS): 67-83.

67. Singhal, V.K., and Kumar, P. 2008. Impact of cytomixis on meiosis, pollen viability and pollen size in wild populations of Himalayan poppy (Meconopsis aculeata Royle). J. Biosci. 33: 371-380.

68. Kumar, P. and Singhal, V.K. 2008. Cytology of Caltha palustris L.(Ranunculaceae) from     cold regions of Western Himalayas. Cytologia 73: 137-147.

69. Singhal, V.K. Kaur, D and Kumar, P. 2008. Effect of cytomixis on the pollen size in ‘Seabuckthorn’ (Hippophae rhamnoides L. Elaeagnaceae). Cytologia 73: 167-172.

70. Kumar, P., Singhal, V. K. and Jaspreet Kaur. 2008 Cytomixis induced meiotic abnormalities in pollen mother cells of Clematis flammula L. (Ranunculaceae). Cytologia 73: 381-385.

71. Kumar,  P., Singhal, V. K. and Kaur, D. 2008 Meiotic studies in species from the cold deserts of Lahaul-Spiti and adjoining areas (northwest Himalaya). Cytologia 73: 463-47.

72. Singhal, V. K. and Kumar, P. 2008. Cytomixis during microsporogenesis in the diploid and tetraploid cytotypes of Withania somnifera (L.) Dun. (Solanaceae). Comp. Cytogenet. 2:85-92.

73. Gupta,R.C., Singhal, V.K., Dhaliwal, R.S and Harneet Kaur. 2008. Population cytogenetics II. Chromosome studies on Tridex procumbens Linn. from north west India. Bionature 28:25-32.

74. Singhal, V.K., Kaur, A. And Saggoo, M.I.S. 2008. Reproductive biology and germplasm evaluation of Acacia nilotica (Linn.) Willd. ex Del. From north India. Muelleria 26: 86-94.

75. Singhal, V.K., Gill, B.S. and Kumar, P. 2009. Recent developments in tree cytogenetics in India. In: Atri, N.S., Gupta, R.C., Saggoo, M.I.S. and Singhal, V.K. (eds.) Germplasm Diversity and Evaluation – Angiosperms. Bishen Singh & Mahendra Pal Singh, Dehra Dun, pp.173-228.

76. Kumar, P., Singhal, V.K. and Kaur, D. 2008 Meiotic studies in species from the cold deserts of Lahaul-Spiti and adjoining areas (northwest Himalaya). Cytologia 73: 463-470.

77. Singhal, V.K., Kaur, S., Kaur, D. and Kumar, P. 2009.New detection of haploid chromosomes, pollen size and sterility in Lychnis indica Benth. Var. fimbriata Wall. Chromosome Bot. 4:53-56.

78. Singhal, V.K., Kumar, P., Kaur, D. and Rana, P.K. 2009 Chromatin transfer during male meiosis resulted into heterogeneous sized pollen grains in Anemone rivularis Buch.- Ham. ex DC. from Indian cold deserts. Cytologia 74: 229-234.

79. Singhal, V. K., and Kaur, D. 2009. Spontaneous occurrence of meiotic spindle abnormalities in ‘Long Headed Poppy’ (Papaver dubium L.) from Indian cold regions. Cytologia 74: 385-389.

80. Kaur, D. and Singhal, V.K. 2010. Chromosome number, meiosis and pollen fertility in Vicia rigidula Royle and V. tenera Grah. from cold desert regions of India. Cytologia 75: 9-14.

81. Kumar P, Singhal, V.K., Dalvir Kaur and Sukhjinder Kaur. 2010. Cytomixis and associated meiotic abnormalities affecting pollen fertility in Clematis orientalis. Biol. Plantarum 54: 181-184.

82. Singhal, V.K., Kaur S., and Kumar, P. 2010. Aberrant male meiosis, pollen sterility and variable sized pollen grains in Clematis montana Buch. Ham. ex DC. from Dalhousie hills, Himachal Pradesh. Cytologia 75:31-36.

83. Gupta, R. C., Himshikha., Rana, P.K., Kumar, P. and Singhal, V.K. 2010. First report of structural heterozygosity in Artemisia parviflora (Asteraceae) from Parvati Valley in Kullu District (Himachal Pradesh) Bot. Serbica 34:63-66.

84. Singhal, V.K., Kaur, R. P., Kumar, P. and Rana, P. K. 2008-2009. Phenology, floral biology and pollination mechanism in an exotic Erythrina blackei Host ex. Baker. JPAS 5-6:122-125.

85. Singhal, V.K. and Kumar, P. 2010. Variable sized pollen grains due to impaired male meiosis in the cold desert plants of Western Himalayas (India). In: Benjamin J. Kaiser (ed.) Pollen: Structure Types and Effects. Nova Science Publishers, Hauppauge, NY, USA. pp. 101-126.

86. Kaur, D. and Singhal, V.K.2010. IAPT/IOPB Chromosome data 9. Taxon 59: 1298-1302.

87. Kaur, S., Singhal, V.K. and Kumar, P. 2010. Male meiotic studies in some plants of Polypetalae from Dalhousie hills (Himachal Pradesh). Cytologia 75:289-297.

88. Singhal, V.K., Salwan, A., Kumar, P. and Kaur, J. 2011. Phenology, Pollination, Breeding system of Aegle marmelos (Linn.) Correa. (Rutaceae) from India. New Forests 42: 85-100.

89. Singhal, V.K., Rana, P. K., Kumar, P. and D. Kaur. 2011. Persistent occurrence of meiotic abnormalities in a new hexaploid cytotype of Thalictrum foetidum L. from Indian cold desert. Biologia 66: 458-464.

90. Himshikha., Kumar. P., Gupta, R. C., Kumari, S. and Singhal, V.K. Impact of chromatin transfer and spindle abnormalities on pollen fertility and pollen size in Plantago lanceolata L. Cytologia 75: 421-426.

91. Kaur, D., Singhal, V.K. and Gupta, R.C. 2010. Male meiosis, Microsporogenesis and Pollen Grain study in Inula cuspidata C.B. Clarke (Asteraceae). Cytologia 75: 363-368.

92. Kumar, P., Singhal, V.K., Rana, P. K., Kaur, S. and Kaur, D. Cytology of Ranunculus laetus Wall. ex Royle from cold desert regions and adjoining hills of North-west Himalayas. Caryologia 64: 25-32.

93. Kumar, P., Singhal, V.K. and D. Kaur. 2011 Impaired male meiosis due to irregular synapsis and cytomixis in Dianthus angulatus Royle ex Benth. from Indian cold deserts. Folia Geobotanica (in press).

94. Singhal, V.K., Rana, P. K. and Kumar, P. 2011. Syncytes during male meiosis resulting into '2n' pollen grains formation in Lindelofia longiflora (Royle ex Benth.) Baill. var. falconeri (Cl.) Brand. Journal of Systematics Evolution (in press).

95. Kumar, P. and Singhal, V. K. 2011. Meiotic aberrations and chromosomal variation in the plants of Lahaul-Spiti and adjoining high hills in Himachal Pradesh. In: N.S.Atri, R.C.Gupta, M.I.S.Saggoo and V.K. Singhal (eds.) Biodiversity Evaluation- Botanical Perspective. IK Publishers, New Delhi. (in press).

96. Singhal, V.K. and Kaur, D. 2011. Cytomixis and associated abnormalities during male meiosis in a new tetraploid cytotype of Vicia pallid Turcz. Fabaceae. Cytologia (in press).

97. Kumar, P. and V.K. Singhal. Male meiosis, morphometric analysis and distribution pattern of 2x and 4x cytotypes of Ranunculus hirtellus Royle (Ranunculaceae) from the cold regions of northwest Himalayas (India). Comp. Cytogenet. (Communicated)

98. Singhal, V.K., and Kaur, D. Cytomixis inducing meiotic irregularities and pollen malformation in Clematis graveolens Lindley from the cold deserts of Kinnaur districts of Himachal Pradesh, India. Cytologia (communicated).

99. Kumar, P. and Singhal, V.K. Chromosome number, male meiosis and pollen fertility in the plants of Polypetalae from Indian cold deserts of Lahaul-Spiti and adjoining areas in Himachal Pradesh (India). Plant Syst. Evol. (Communicated).