Yes, Ratan Tata did visit RSS HQ in nagpur and met Mohan Bhagwat
Source: http://indianexpress.com/article/india/ratan-tata-meets-mohan-bhagwat-at-rss-headquarters/
Photo: Times Of India Front Page 29th Dec 16 https://www.facebook.com/SMHoaxSlayer/photos/a.147357335599672.1073741828.140690692933003/398696987132371/?type=3