New Delhi, July 23 -- A recognised independent student body at the Indian Institute of Technology (IIT) Madras has alleged that institute officials asked it to delete an Instagram video posted in support of the ongoing student protests over examination irregularities and denied permission for a peaceful gathering, saying it could "disrupt" the institute's relations with the Centre and "tarnish" IIT Madras' image. According to the group, ChintaBAR, it sought permission on July 20 to organise a peaceful gathering in support of students affected by paper leaks and irregularities in NEET-UG and UGC-NET. "The dean asked us to take down the Instagram video we had posted on July 17...stating that IIT Madras did not want to disrupt its relations wi...