PRAYAGRAJ, June 7 -- A man was critical after he was allegedly attacked by four men, one of whom also shot him in the head, in Dulhapur village under Pipri police station limits in Kaushambi late on Thursday night. Rahul alias Kallu Yadav was struck in the head by a bullet. He was admitted to a private hospital. Police have registered a case against the four individuals. According to reports, Rahul's brother Sachin had a scuffle with the accused when he was returning home with other family members after attending a wedding ceremony. Reports state that Gulshan Pasi, Anil Kumar, Hrithik Pasi, and an unidentified youth, riding a separate motorbike, allegedly hit Sachin's bike from behind. Following the incident, the assailants reportedly abused and threatened Sachin and his family. After returning home, Sachin informed his relatives about the confrontation. Subsequently, Sachin and his relatives went to Gulshan Pasi's house to raise a complaint. It is alleged that four individuals present there attacked them with sticks and opened fire. During the firing, Sachin's elder brother, Rahul alias Kallu Yadav, was struck in the head by a bullet. He collapsed to the ground, bleeding and in severe pain. On the basis of a complaint lodged by relative Mohan Lal, police registered a case against the three named and one unidentified accused....