Supre Praja, 12, was injured in the 8 p.m. blast targeted at Upahar Vastralaya in Kalaiya-6, police said.
Praja was injured in his right hand and is undergoing treatment at the District Hospital, Kalaiya. No one has claimed the blast.
Meanwhile, the family of Upahar Vastralaya’s proprietor Dipu Agrawal informed that an armed group had demanded donations from him a few days ago.
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