A 34-year-old administrative head of a junior college in Pune was arrested on Wednesday after he allegedly sought sexual favours from a Class 12 girl student in exchange for helping her get higher marks in exams, police said.

The accused was brought to a police station after his face was blackened by the relatives of the 18-year-old student who informed about his advancement to her parents. "The accused works as an administrative head at a junior college where the girl is studying. He allegedly sought sexual favours from her by promising her to help increase her marks in exams," said inspector (Crime) Kundlik Kaigude of the Vishrambuag police station.