Drishti IAS, run by educator and YouTuber Vikas Divyakirti, was among the seven coaching institutes, including six in Central Delhi's Old Rajinder Nagar, which were sealed by the MCD in the latest crackdown on illegally run establishments. So far, the basements of 20 coaching centres that were illegally being used either as libraries or for providing classes in both Rajindra Nagar and Mukherjee Nagar have been sealed since the incident took placed on July 27.