Rakesh Gupta, who owns a jewellery shop in Chandani Chowk area of Old Delhi, was found dead with his throat slit at his residence, police said.
Gupta was living with his wife Sangita.
Last evening Sangeeta went out of town, and when she returned today she found body of her husband lying in a pool of blood.
Their servant Gyan and maid Sumitra were missing, police said, adding that they were being traced.
A case of murder has been registered and the body was sent for post mortem.