A man accidentally exploded a stun grenade at Jhargaon in Jagiroad on Saturday evening.
The injured are Sushil Sarkar, Sagar Mandal and were rushed to the hospital.
Reportedly, Sushil Sarkar found the grenade which was lying in an abandoned condition after that he removed the safety pin.
As per sources, the stun grenade belonged to BSF constable Arbind Kumar.
The constable had lost the grenade on Friday.
A team of Police along with SP Swapnaneel Deka reached the spot and took stock of the situation.
