The incident took place around 10.30 PM, following which police teams were rushed to theresidence of Uma Bharti, the Union Minister for Water Resources, River Development and Ganga Rejuvenation in New Delhi's Ashoka Road.
The official, identified as Head Constable Brijpal of Delhi Police's security unit, was rushed to the nearest hospital, but was declared dead at the hospital, a senior police official said adding that the reason why he took the extreme step could not be ascertained yet.
"He was declared dead at the hospital," DCP (New Delhi) Jatin Narwal said adding an inquest has been initiated into the matter.
Prima facie the official shot himself sitting inside his personal car parked inside the premises of Bharti's bungalow.
Brijpal is survived by his wife and three children.