Prior to this, he was Additional Director General of Police in Charge of Police Modernisation, Coastal Security, Crimes, Projects, Planning, IT Administration in Police HQ, Kerala Joined the Indian Police Service in the year 1985 as an ASP in Kerala cadre .
Held several important posts like DCP in Trivandrum, Commisioner Of Police Cochin for a record 4 years. Then worked as SP and DIG in the CBI for more than 10 years continuously, again a record, during which period handled very important cases like purulia arms drop case, ic-814 hijacking case, babri masjid demolition case, mumbai serial blast case, madhumita shukla murder case, satyendra dubey murder case, sanjay ghosh abduction case, haren pandya murder case etc.
In the year 2009 on being called by the GOI ,he joined the NIA as a founder member and known for establishing and building the national investigation agency (NIA).
Widely regarded as an expert in investigation of cases of terrorist attacks, organized crimes, drugs cases, human trafficking, insurgency related cases, terror funding, bank scams, corruption at high places, and technology based investigation both inside and outside India.
Special technical expertise in handling communication & it based matters in internal security. Worked as chairman/ member in a number of high security technology based project committees. Did research based studies and work on counter terrorism, coastal security, cyber security in bpr&d/ dit/ CDAC.
Having joined the prestigious Indian Police Service /Karnataka Cadre in 1991, he has seen early service in the districts as Superintendent of Police, Bijapur and Gulbarga Districts and served as Commandant, Karnataka State Reserve Police, Bangalore. He was responsible for unearthing large scale financial frauds in Banking and Securities domain, while deputed to the Central Bureau of Investigation in Bangalore and headed the CBI’s Anti-Corruption Branch in Mumbai.
As DIG of Police – Corps of Detectives, Karnataka led the much respected and premier specialized investigation agency in the state, and was involved in the areas of Special Enquiries, Homicides, Burglaries and Crime Against Women, investigations into financial frauds, rights violations by government agencies.
Mahamastakabhisheka of Bahubali at Shravanabelagola which attracted millions of visitors over 11 days, including the President, Vice-President and the Prime Minister of India for which he was awarded the Karnataka Chief Minister’s Medal for Meritorious Service in 1994. He served as Senior Director, Cyber Security, NASSCOM and was responsible for implementation of the Cyber Security Initiatives of NASSCOM through its India Cyber Labs Project which aims at capacity building in various Government Departments including Law Enforcement and Prosecution. As a member of the Police Department, he is one of the rare officers with deep understanding and experience of technology issues.