New Delhi, Sept. 11 -- A minor girl was attacked with a blade on her face and back by a group of girls in Delhi's Rohini Sector 30 area, police said on Thursday.

The incident took place on September 9, in the Aman Vihar police station area of Rohini district.

According to the Delhi police, the victim, a resident of Sector-20, Rohini, was attacked following an earlier dispute with a fellow student. Enquiry revealed that on September 4, the victim and the accused had an altercation in school. To take revenge, the accused and her sister, along with their friends, allegedly conspired to carry out the assault.

The police said that on the day of the attack, the accused girls, of whom one was a 14-year-old and the other three were 15-year-old...