The minor girl was apparently lured by Tatik Narayan Rao, posing as her grandfather. As the video shot by a witness went viral and the Opposition raised a hue and cry, the authorities swung into action and arrested Rao.
Enraged students of the college staged a road blockade and sat on a dharna in protest of the two incidents on Wednesday.
The sexagenarian professor was arrested on the charge of rape based on a complaint by the 23-year-old Thai student.
Lakra offered her a lift home on his motorcycle, but instead took her to his house and allegedly tried to sexually assault her, the official said.
She also accused her brother of trying to rape her; both the mother and the brother, and another person, have been arrested
