Unidentified assailants killed an aged couple at their house in Gulmohar Park area here, police said on Thursday.
Neeraj Satsangi (65) and his wife Rupa Satsangi (60), a bank employee, were attacked with a blunt weapon, leading to their death on Wednesday night, they said.
The incident came to light when one of the neighbours of Satsangis who was on a walk after dinner heard a wailing sound and alerted others and the police.
While Rupa was found dead, her husband was rushed to hospital where he succumbed, police said.
SSP Muniraj G suspected insider involvement and said the matter is being investigated.
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