The body of a 21-year-old woman was found in a flat in Karawal Nagar on Friday evening.
Police are on the lookout for a man called Rahul who had been living with her in the flat since April.
Police said Rahul is absconding.
According to police,the woman has been identified as Khushboo,a native of Behta in Hajipur,UP.
Police said Khushboo and Rahul had been living in the rented flat since April 15. The two had reportedly told the landlord that they were married.
The landlord,in his statement to police,said on November 19,Rahul locked his house and told the landlord that he was going to drop his wife home.
Since then,Rahul has been on the run,police said.
On Friday evening,the landlord noticed a foul smell emanating from the house and informed police.
When police broke open the door of the flat,they found Khushboos body in a bag. Her throat was slit and the body was decaying.
A case of murder has been registered and police have sent teams to apprehend Rahul,who is the prime suspect.