[3][4][5][6] He is currently the Executive Director of Regional Cooperation Agreement on Combating Piracy and Armed Robbery against ships in Asia - Information Sharing Centre (ReCAAP, ISC) in Singapore.

Controversy In 2025, the Central Bureau of Investigation (CBI) booked K Natarajan for alleged tampering/alteration of the Annual Confidential Reports (ACRs)/dossiers of senior officers.

He has specialized in Search and Rescue as well as Maritime Safety and Port Operations, at the United States Coast Guard Training Center in Yorktown, Virginia.

He has specialized in Search and Rescue as well as Maritime Safety and Port Operations, at the US Coast Guard Reserve Training Centre, Yorktown, Virginia.

He was elevated to the rank of Additional Director General on 12-Aug-16 and since then held the reins of the Coast Guard Commander (Western Seaboard) till 29-Jun-19.

In June 2006, his methodical planning as Chief of Staff Headquarters Region (West) resulted in apprehension of 200 kg Cocaine off Mumbai.