Research on bipolar disorder from India: A bibliometric analysis of papers published during 2000-19.

The paper examines 1037 publications on bipolar disorder (BD) during the years 2000-19 from India, as listed in the Scopus database. India's publications constituted 2.27 % share of global output (45,624 publications) in the study period of 20 years. India does not figure in the top 10 countries in terms of research output on BD. The number of publications on BD from India increased from 13 in 2000 to 107 in 2019, registering 14.44 % annual average growth, higher than world's growth of 6.02 %. India's 10-year cumulative publications increased from 264 during 2000-09 to 773 during 2010-19, registering 192.8 % absolute growth, much higher than world cumulative growth of 63.27 %. India's publications on BD averaged citation impact per paper of 14.24, which decreased from 25.38 to 10.43 from 2000-09 to 2010-19. Maximum numbers of papers from India on BD were published by researchers from National Institute of Mental Health and Neurosciences, Bangalore (222 papers),Post Graduate Institute of Medical Education and Research, Chandigarh(118 papers), and AII India Institute of Medical Sciences, New Delhi (79 papers). Lady Harding Medical College, New Delhi (36.20 and 2.54), Schizophrenia Research Foundation, Chennai (27.45 and 1.93), and King George's Medical University, Lucknow (25.21 and 1.77) were the most significant organizations in terms of citation per paper and relative citation index. Maximum number of papers were published in Indian Journal of Psychiatry (101 papers), followed by Asian Journal of Psychiatry (88 papers) and Indian Journal of Psychology Medicine (34 papers).