Twenty-one personnel of Delhi Police, including a Constable who was killed by criminals while on duty and an ace anti-terror officer, were today selected for the prestigious police medals for gallantry, distinguished and meritorious services.

Constable Naresh Kumar, who joined the force after his retirement from Army, has been chosen with Police Medal for Gallantry posthumously. He was killed on May 18 last year while chasing a group of criminals.

Kumar and another Constable were warned by the criminals in the minitruck but he chased them on a motorcycle. The driver of the mini-truck then hit the motorcycle and he died on the spot.

Three personnel -- Joint Commissioner (Planning and Implementation) Ashok Kumar Singh, Additional Commissioner (Special Cell) Ashok Chand and Assistant Commissioner Asha Thakur -- have been selected for President's Police Medal for Distinguished Service.

Chand, who headed the Special Cell for than seven years, was instrumental in the solving of several sensational cases like parcel bomb case.

He was instrumental in working out the Parliament attack case of 2001, the Red Fort attack case of 2000 and planting of IEDs in North Block/South Block and grenade attack on BSF Headquarters at CGO Complex.

Chand led the team which arrested 11 terrorists of an Indian Mujahideen module. He was also instrumental in the solving of Jama Masjid bomb blast and Jama Masjid shootout case of Delhi of 2010 alongwith Pune German Bakery bomb blast of February 2010.

Seventeen people have been chosen for Police Medal for Meritorious Service, including Joint Commissioners Mukesh Meena, Nuzhat Hassan and G C Dwivedi, Deputy Commissioner V A Gupta, Inspector Madan Gopal, Sub Inspector Phool Chand and Assistant Sub Inspector Vijay Parkash Dhiyani.

Former Delhi Police officers R Krishnia, presently IG in Puducherry and R A Sanjeev, presently SSP in Puducherry, have also been awarded Police Medal for Distinguish Service and Police Medial for Meritorious Service respectively.