Represented India in an official level in several international conferences held in Adelaide (Australia), Hobert (Australia), Vancouver (Canada), Kathmandu
(Nepal), Oxford ( U.K) and Dusseldorf (Germany), Beijing (China), Virginia (USA), Colombo (Srilanka). Interpol Headquarters at Paris & Lyon (France) and
Baniff (USA) (where I received many times, the honour of being Chairperson of the Scientific Sessions) by presenting Scientific papers in Forensic
Science including document frauds and served the Govt. of India as a Senior Forensic Scientist (Senior Class I) for about 3 decades (From May 1983 to
Held the top position in the Central Bureau of Investigation Laboratory (CFSL/ CBI) as Director, CFSL / CBI and Ex-officio Chemical Examiner to the Govt.
of India and served as the Head of the department.
Guided and supervised functioning of all disciplines of Forensic Science including documents examination and document forgeries in the CBI Lab.
Have been delivering lectures / talks to CBI Officers, Delhi Police Officers, Vigilance Officers of the Central Vigilance Commissions and Bank Officers of
various banks with special reference to white collar crime including document forgeries. I have been addressing almost every month, Senior Officials of
Judicial Administration such as Magistrates, DSPs & SPs and Public Prosecutors as well as Distt. & Sessions Judges from all parts of India.
Appeared in Courts as an expert witness and tendered scientific opinions both in Delhi and Outside Courts, many times during my service
as well, as after my retirement with respect to my opinions submitted as Chemical Examiner / Expert.
Have about 200 scientific publications to my credit on different fields of Forensic Science including Bank Frauds, Signature Forgeries, document frauds
and white collar crime. With this back ground, I began functioning as a Forensic Science Consultant in 1996 after my retirement and assisted private
parties, public undertakings, hospitals and others by rendering my services as a consultant / expert.
Have been invited by the Union Public Service Commission, New Delhi numerous times, even after my retirement for assisting them in the recruitment of
senior officers (Class-I) like Asstt. & Deputy Govt. Examiners of questioned documents by rendering my expert advice, as well as in other fields of Forensic
Have also assisted other Govt. recruiting agencies / selection board / State Public Services Commissions for selecting candidates for document
examination in Govt. offices / Labs and other officers in different disciplines of Forensic Science.
I was also declared MAN OF THE YEAR–97 BY AMERICAN BIOGRAPHICAL INSTITUTE INC. vide their letter dated August 8, 1997.