I was shocked to learn the sad demise of Prof Rajan. I was his student during 1979-81. He was an excellent teacher. I pray to God that his soul may rest in peace. God may give strength to his family for wearing the loss. Dr Kailash C Garg, Ex-Chief Scientist, CSIR-NISTADS Editor Journal of Scientometric Research Member Editorial Board COLLNET Journal of Scientometrics, Annals of Lib Inf Studies Life Member Int.Soc.Scientometrics and Informetrics (ISSI), Academic Counsellor IGNOU -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.