He was in the Cabinet Secretariat and had served in the state of Assam, including at a later point in his career in this province's police force.

He headed the NSG for nearly three years before being shifted as Director General of the BSF, one of the largest standing paramilitary border guarding forces in the world, in 2005.

[3] He was the first IPS officer from northeast India to be appointed the Director-General of the BSF, a position he held till his retirement from active service in February 2006.

He has also served in the CRPF, besides the state police force of Assam and has done a commendable job in combating terrorism, and contributing to the security of the Republic of India.

He was instrumental in operationalising the legislation and setting in motion the legal processes of redressal mandated therein and held this position up to his elevation to Governorship of Meghalaya State by the President of India for a 5-year term in 2008.