Major (retd) Sinha was the operation officer of Border Guard Bangladesh in Teknaf and played an active role in the anti-narcotics operations.  Lt Col Md Faisal Hasan Khan, commanding officer of BGB Battalion-2 in Teknaf, said Sinha served as acting operations officer at Teknaf BGB from October 2017 to January 2018. "He was a smart and brilliant officer. So, definitely he