BusinessIndia's reputation as an open seat of learning under threat03:04This browser does not support the video element.BusinessSonia Phalnikar | Katja Keppner04/13/2017April 13, 2017Thousands of students - largely from Nigeria and Sudan - visit India's private universities, which have been rolling out the welcome mat. But a violent attack on African students near Delhi has changed the picture.Copy linkAdvertisement