"Following a complaint from the student, the Commission has decided to probe the matter. You are requested to submit facts, information and action taken on the allegations," NCSC said in a letter to Delhi Police Commissioner Alok Verma.
The Commission also said it may summon Verma if it did not receive a reply in a week's time.
A student of DU's School of Open Learning (SOL) had yesterday alleged that a group of students of Hansraj College attacked him and passed casteist remarks when he was pasting posters of a protest in the institution's premises.
Hansraj college principal Rama Sharma had said the student met her on Monday and when she asked for his ID card, he said he wasn't a student of the college following which she informed police. She then informed police about it.