Kolkata: A minor girl in West Bengal's Burdwan district was grievously injured in an acid attack allegedly by a local youth after her family refused his marriage proposal, police said on Monday.

"A school girl was attacked with acid at her home in Burdwan's Purbasthali on Sunday night. The mother of the girl also sustained a minor injury in the incident," said Y Raghuvamshi, sub-divisional police officer of Kalna in Burdwan.