The decomposed bodies of an elderly couple were found in their closed house in the Girish Park area on Monday.

Police have identified them as Biswajit Mitra, 71, and his wife Shipra, 68. No suicide note has been found, the police said.

The bodies have been sent for post-mortem.

Forensic officials are still to come up with their observations, the police said.

The Mitras used to live on the second floor of a five-storey building on Ram Dulal Sarkar Street in Girish Park for several years. Neighbours have told cops they hadn’t noticed the couple for the past few days.

Some of their neighbours felt a stench emanating from the house on Monday afternoon. After repeated knocks went unanswered, someone from among them alerted the police around 7pm.

“We had to break open the door and enter the house. The bodies had started to decompose… they had turned black,” an officer of Girish Park police station said. “The bodies were taken to RG Kar Medical College and Hospital.”

Preliminary investigations have shown the couple did not have any children. “We are still to confirm it with their relatives, though,” the officer said.

Some of the residents have told cops that had spotted Mitra stepping out of their home a few weeks ago on his way to the market, the police said.

Cops have been trying to get in touch with relatives of the Mitras to find out if he and his wife were in any kind of economic distress or if they were suffering from any ailments, the officer said.

Cops did not find any sign of the house being ransacked. Also, there were no blood stains around the bodies, the officer said.

“We have started a case of unnatural death. If the post-mortem report says otherwise, we will make necessary changes in the case,” the officer said. “So far, it seems unlikely that they have been murdered.”