India, July 18 -- The accused behind the robbery at a Golf Links house, one of the most secure residential localities in the Lutyens' area, were planning it for a week, and the mastermind was a history-sheeter with 20 cases registered against him, according to the police charge sheet submitted to a Delhi court on Thursday.

The charge sheet named four accused - Guddu Kumar Kamat alias Raju, 35, Raman Kamat alias Sushil, 38, both residents of Bihar; Amit Singh alias Gabbar, 30, a resident of Sangam Vihar, Delhi; and Hasan, 30, the mastermind and a Bihar resident.

According to police, on the evening of April 22, Guddu, who had been employed as house help about six days ago, reached the house around 7.30 pm, and the family opened the door f...