Kumar, who is a 1984 batch IPS officer of Arunachal Pradesh-Goa-Mizoram-Union Territories (AGMUT) cadre, took charge today.
Before being appointed Additional Director General (ADG), Central Industrial Security Force (CISF, Kumar was serving as Special Commissioner (Special Unit) in the Delhi Police.
After the retirement of S K Bhagat in June this year, the additional charge of DG, RPF, was being handled by National Security Guard (NSG) DG, Sudhir Pratap Singh.