Shiv Pratap, godown in-charge in FCI, was found hanging from the old office when the locals informed police about foul smell coming from the building, they said.
Shiv Pratap's brother Virender has said the deceased had told him that five people had misappropriated a lot of funds and wanted to include him in their designs.
He had expressed apprehension that they may kill him as he refused to join them, police said.