Sapna, a resident of Faridnagar in Bhojur police station area on February 5 was strangulated and set afire allegedly by her neighbour Sarjeet and his family members, they said.
The victim was taken to a hospital in Meerut in a critical condition, where she succumbed to her injuries on February 14.
Sapna's brother-in law Dharmendra Sharma had lodged a complaint against Sarjeet and his relatives and a case has been registered in this connection.
SP (Dehat) Jagdish Sharma said last night Sarjeet was apprehended, while his other family members are still absconding.