Answer- C
Nitin Agarwal, a 1989-batch IPS officer of Kerala cadre, was appointed the new Director-General of the Border Security Force (BSF).
Agarwal replaces Pankaj Kumar Singh, who retired on December 31. Central Reserve Police Force DG Sujoy Lal Thaosen led BSF in an additional capacity since Singh’s retirement.
Hence, option 'C' is correct.