Life Member, Indian Science Congress Association, Kolkata; Member, Sessional Committee of Plant Science (2008-09).
Life Member, Indian Society for Plant Physiology, New Delhi.
Life Member, Society of Plant Reproductive Biologists, Editor, Journal of Plant Reproductive Biology, Agra.
Life Member and Vice–President, Society of Conservation and Resource Developmente of Medicinal Plants, New Delhi.
Life Member and President (2010-2013), East Himalayan Society for Spermatophyte Taxonomy.
Title of Ph.D. Thesis
Morphology and Embryology of Some Taxa of Controversial Affinities. July 1978. University of Delhi.
LIST OF PUBLICATIONS OF PROF. A. K. BHATNAGAR
RESEARCH PAPERS AND REVIEWS
Kapil, R.N. & Bhatnagar, A.K. 1972. Endosperm in Euphorbiaceae A critical appraisal: 376 393. In Advances in Plant Morphology. Rustogi Publishers, Meerut.
Bhatnagar, A.K. & Kapil, R.N. 1973. Bischofia javanica Its relationship with Euphorbiaceae. Phytomorphology 23: 263 267.
Kapil, R.N. & Bhatnagar, A.K. 1974. Stomata on leaves and floral parts of Corokia. Bot. Jb. Syst. 24: 257 266.
Kapil, R.N. & Bhatnagar, A.K. 1975. A fresh look at the process of double fertilization in angiosperms. Phytomorphology 25: 334 368.
Kapil, R.N. & Bhatnagar, A.K. 1976. Portuguese contributions to Indian Botany. Isis, Washington D. C. 67: 449 452.
Bhatnagar, A.K. & Garg, Meenakshi. 1977. Affinities of Daphniphyllum Palynological approach. Phytomorphology 27: 92 97.
Kapil, R.N. & Bhatnagar, A.K. 1978. The antipodes. Phyta 1: 54 75.
Bhatnagar, A.K. & Kapil, R.N. 1979. Ontogeny and taxonomic significance of anther in Bischofia javanica. Phytomorphology 29: 298 306.
Kapil, R.N. & Bhatnagar, A.K. 1980. Embryology in relation to angiosperm taxonomy: 272 295. In Glimpses in Plant Research (ed. P.K.K. Nair). Vikas Publishing House, New Delhi.
Kapil, R.N. & Bhatnagar, A.K. 1981. Ultrastructure and biology of female gametophyte in flowering plants. Int. Rev. Cytol. 70: 291 341.
Bhatnagar, A.K. & Kapil, R.N. 1982. Seed development in Daphniphyllum himalayense with a discussion on taxonomic position of Daphniphyllaceae. Phytomorphology 32: 66 81.
