Three persons allegedly involved in the abduction of Kairav Gandhi, son of a Jamshedpur-based industrialist, were injured in police retaliatory firing in Jharkhand's Bistupur, a senior police officer said on Friday. According to police, the accused allegedly snatched a carbine from the bodyguard of the officer-in-charge of Bistupur police station Alok Kumar Dubey and fired six rounds on police, a senior police officer said. Though no policemen sustained injuries in the firing, three accused identified as Guddu Singh, Rameez Raja and Md Imran were sustained bullet wounds in retaliatory fire by police, the officer said. The injured were rushed to MGM Hospital, where they are undergoing treatment. Police rescued 24-year-old Kairav Gandhi, who was abducted on January 13, from Chauparan–Barhi section of Hazaribag district on the intervening night of January 26 and 27, and handed him over to his family.