[7] He inaugurated a school by the JAAGO Foundation along with Brigadier General Nakib Ahmed Chowdhury and Bohmong king U Chaw Prue Choudhury.

[8] He announced that the police have implemented the government decision to impose restrictions on the movement of foreigners in Bandarban District.

[10] He supervised the investigation in the murder of Mahmuda Khanam Mitu, wife of Babul Akter, superintendent of police, after she was killed in Chittagong.

[10] He led the drive in February 2018 to arrest Masukur Rahman Mashuk, organizing secretary of Bangladesh Nationalist Party.

[17] In April 2022, Bhattacharya submitted his investigation of Detective Branch officers who had accused of filing a false case over forged currency against hoteliers in Dhaka in November 2016.