The body of Kulbhushan Manocha was found after a neighbour called up the police informing about the smell that was emanating from his house, a police official said.
Rajiv Manocha, one of the sons of the deceased, is a brigadier in the Army and posted in Kolkata, the police said.
Another one of his sons is a Singapore based businessman, they added.
"The exact cause of his death is not known yet," a police official said adding that the matter is being examined.
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