'Disgusted': Over 1000 IIT Alumni Write to Kharagpur Director on Professor's Casteist Abuse The former students have noted that the IITs, 'notoriously hostile to Dalits, Adivasis and backward castes', need to take steps to ensure such an incident never happens. File image of IIT Kharagpur. Photo: iitkgp.ac.in Education29/Apr/2021 New Delhi: More than 1,000 former students of the Indian Institutes of Technology have written an open letter to the IIT Kharagpur director registering their disgust and shock over a professor’s behaviour with students at a preparatory English class meant for SC, ST and OBC students and students with physical disabilities.