India, Aug. 6 -- A 20-year-old Bachelor of Business Administration (BBA) student from Mumbai was arrested in the early hours of Tuesday in Maharashtra's Nagpur for allegedly kidnapping, sexually assaulting and repeatedly knifing a Class 12 girl he had befriended on Instagram, police said.

The girl was rescued after a 20-hour-long search and was found tied up inside a flat in south Nagpur. The knife, which police believe was used to repeatedly attack her, was recovered from a bedside table, HT reported earlier.

The girl's parents approached the police in Nagpur on Sunday after she had been missing for nearly 24 hours, and her mobile phone remained switched off.

Following a 20-hour-long search, police reached a flat in Dighori, an area i...