New Delhi, Aug 30 - Police have yet to file a case a day after the body of a 77-year-old man, who was an assistant to former prime minister Atal Bihari Vajpayee, was found in an uncovered pit in south Delhi, officials said Sunday.

'The body of the victim, T.N. Makan, who retired as Vajpayee's additional secretary, was found by a passerby Saturday morning. The body was lying in the eight feet deep pit on the road divider which was dug up by a contractor of the Municipal Corporation of Delhi (MCD) to install new street lights,' a senior police officer said.

'After his body was found in the pit, he was rushed to the AIIMS (All India Institute of Medical Sciences) where he was declared brought dead. The victim had left his residence around 8:30 Friday evening to buy grocery items.