Delhi Police (DP) is the Law enforcement agency for the National Capital Territory of Delhi (NCT). It does not have jurisdiction over the adjoining areas of the National Capital Region.

As you want here I am giving below Delhi Police Dcp Sarita Vihar office contact address :

Address:
Delhi Police Dcp Sarita Vihar

631 TO 637,, Mathura Rd, Pocket A, Sarita Vihar, New Delhi, Delhi 110076
Phone: 011 2682 5554

Agency overview
Formed 1861.
Delhi Police on February 16, 1948
Preceding agency Municipal Police
Employees 84,536
Annual budget 5,910.28 crore (US$920 million) (2017-18)
Legal personality Governmental: Government agency
Jurisdictional structure
Operations jurisdiction* Union Territory of Delhi, IN

Map of Delhi Police's jurisdiction.
Size 1,483 square miles (3,840 km2)
Population 16,753,235
Legal jurisdiction As per operations jurisdiction.
General nature Law enforcement
Local civilian police
Operational structure
Headquarters Indraprasta Estate, New Delhi
Police Officers 70,000 ( Excluding constable staff and head department )
Agency executive Amulya Patnaik, Commissioner of Police
Facilities
Stations 180
Helicopters 1