The incident took place late last night in Hirasar village, 45 kms from here, when 42-year-old Bhupat Nakia allegedly shot his wife Daya (36) and children Simran (16) and Nitin (10) to death while they were asleep, at their residence, Chotila police station inspector P G Gohil said.
He then shot himself on his hand by his licensed revolver, the officer said.
"Bhupat was rushed to Chotila civil hospital from where he was referred to Rajkot civil hospital" he said.
According to police, Bhupat was the CRPF's head constable posted at Srinagar and retired in 2014.
