Application of Lotka's Law in Library Science Literature of Select Central Universities in North India

The research output in the field of Library and Information Science by the faculties of central universities of North India has been carried out. The study covered a period of 36 years spanning between 978 and 2014. A total of 1292 records of various types comprising Articles, conference proceedings, book & book chapter by 30 faculty members of the abovesaid universities. It reveals that University of Delhi has contributed maximum publications 429 and Central University of Himachal Pradesh has contributed least number of publications 135. Testing of the validity of Lotka’s law has been performed. The study has been found that Lotka’s law is applicable to the present study.