Three persons were arrested on Tuesday for allegedly attacking Excise department personnel after they intercepted a car carrying liquor in Thane district of Maharashtra, police said.
The incident occurred on Monday night at Chinchpada Road in Kalyan, an official said.
While a team of officials was taking occupants of the car to the excise office, the accused called for a back-up, he said.
Six personnel were injured after they were attacked with rods and sticks, the official said.
A case has been registered under various sections of the Indian Penal Code (IPC).