Armed robbers struck at posh Green Park area in south Delhi looting cash and valuables around Rs 50 lakh, police said on Monday.
Police said four armed robbers entered the residence of a retired engineer Vimal Nagpal at G Block in Green Park area and held hostage a 12-year-old boy and his mother at gun point after which they started looting cash and other valuables.
The robbers broke cupboards and drawers in the house in search of valuables, forcing the woman to cooperate in locating it as they roamed in the house for half an hour, said a senior police officer.
The robbery was reported to police on July 30 evening.
Police said that the robbers gained entry to the house after a servant in the house opened the door for them.
The servant Ranjan was absconding since the robbery.
A case has been registered at Safdarjung police station and teams have been formed to arrest the accused, said the officer.
The family employed servant and domestic help Kavita who were present when the robbers came.
Kavita was tied down while Ranjan fled before the robbers.
Role of both of them is being probed, the officer said.