Ajit Singh was killed at his residence in Dera Bhagirat village yesterday, they said.
Police said a case has been registered against Raju, Pritam Singh, Pinki and Rakesh, who are absconding.
Meanwhile, a 30-year-old doctor was shot at by unidentified assailants over an old enmity in Haibatpur village here.
Wakil Ahmed sustained injuries in the attack that took place at his clinic yesterday, SHO Shoeb Khan said, adding the victim is undergoing treatment at a hospital.
Police said efforts are on to apprehend the accused.
Police said some unidentified persons opened fire at Urmila yesterday, leaving her injured.
The woman has been admitted to a hospital and a case has been registered in this regard, they said.
