Jitender (22) and Gaurav (21) allegedly fired at Wahid and his wife on December 28, at Shahpur village in UP's Mazaffarnagar district. They also fired several rounds in the air to intimidate people and escape from the area, Joint Commissioner of Police (Crime) Ravindra Yadav said.
Based on a tip off, the Crime Branch of Delhi Police laid a trap and arrested the duo from north Delhi's Majnu ka Tilla yesterday, said police.
During interrogation, it emerged that Jitender married Wahid's daughter last year, but she died. Jitender suspected that his wife was a victim of honour killing, murdered by her own parents, police added.