India, April 11 -- A Dalit girl studying in the eighth standard at a private school in Tamil Nadu's Coimbatore was allegedly subjected to discrimination after she was forced write her annual examination from outside the classroom because she was menstruating.

A video circulating on social media showed the 13-year-old girl writing the exam from a staircase on Monday and Wednesday. The Coimbatore Police late on Thursday registered a case against three people under various sections of the Prevention of Atrocities (SC/ST) Act, 1989, an official said. The girl belonged to the Arunthathiyar community (listed under Scheduled Caste).

"The school principal and two staff members have been booked," the official said.

State school education minist...