New Delhi, March 22 -- The National Investigation Agency has arrested two more key operatives in the Attari drug case involving the seizure of more than 102 kg of heroin, worth Rs 700 crore, an official statement issued on Friday said.

The accused have been identified as Deepak Khurana alias Deepu of Ferozepur in Punjab and Avtar Singh alias Sunny of Jamia Nagar in Delhi, it said.

With this, a total of five accused have so far been arrested in the case, the NIA said in the statement.

Financial investigations and the examination of the associates of the accused have revealed that Deepak Khurana was not only a drug dealer and drug quality tester but also a handler of 'proceeds of drugs', it said.

"And Avtar was involved in the distribut...