Central Reserve Police Force (CRPF) is the largest of India's Central Armed Police Forces. It functions under the aegis of Ministry of Home Affairs (MHA) of the Government of India.

As you want here I am giving below DIG (OPS), CRPF, Bijapur contact number on your demand :

DIG(OPS), CRPF, Bijapur

07853-220329

digopsbjpr[at]crpf[dot]gov[dot]in

Agency overview
Formed 27 July, 1939
Employees 313,678 Active Personnel
Annual budget 17,868.53 crore (US$2.8 billion) (2016-17)
Legal personality Non government: Central Armed Police Forces
Jurisdictional structure
Federal agency IN
Governing body Ministry of Home Affairs (India)
Constituting instrument Central Reserve Police Force Act, 1949
General nature Federal law enforcement
Civilian agency
Specialist jurisdictions Paramilitary law enforcement, counter insurgency, armed response to civil unrest, counter terrorism, special weapons operations.
Counter terrorism, special weapons and tactics, protection of VIPs.
Protection of international or domestic VIPs, protection of significant state asseets.
Operational structure
Headquarters New Delhi, India
Minister responsible Rajnath Singh, Union Home Minister
Agency executive Rajiv Rai Bhatnagar, IPS, Director General, CRPF
Parent agency Central Armed Police Forces
Child agency CoBRA, RAF