"He loves going to gym and exercises daily. Sometimes when he speaks to us, he says he will kill the corrupt leader. Actually, he is mentally disturbed," said Rakesh Sharma, a neighbour.
His neighbours also claimed to be fed up with his behaviour and said that Singh rarely spoke to them, calling his behaviour psychotic. They also said that he had a history of violence and what he did yesterday was nothing new.
Agriculture Minister Sharad Pawar had come for the function at Parliament Street when Singh attacked him like a bolt out of the blue. He slapped Pawar and shouted slogans calling him corrupt.
"During interrogation, he said he wanted to teach corrupt leaders a lesson by attacking them," said the police after he was taken to the Connaught Place police station where he was interrogated.
An FIR against him has been lodged by the Delhi Police under Sections 323 (punishment for voluntarily causing hurt), 309 (attempt to commit suicide), 506 (threatening someone of dire consequences) and 353 (assault or criminal force to deter public servants from discharge of his duty) of the Indian Penal Code (IPC).
"The accused has been arrested and sent to jail," said a police officer.
Harvinder Singh, in a similar fashion, also created a ruckus outside the Rohini Court on Nov 19 when he attacked Sukh Ram, Telecom Minister but was let off without any case charged against him.
"He was only shouting outside the court. He did not hit Sukh Ram. He did not commit any offence," said DCP BS Jaiswal claiming that Singh did not attack Sukh Ram.
Meanwhile, the assaulter has been remanded to 14 days in judicial custody.