Chairman Emeritus. Ratan N Tata was the Chairman of Tata Sons, one of the two promoter holding companies of the Tata group, from 1991 till his retirement on . Ratan N. Tata was the Chairman of Tata Sons, the holding company of Tata Group, from 1991 till his retirement in December 2012. Post retirement, he has been . Aug 7, 2018 - The kennel is designed to tend to each need of the packs, be it the flap door at the base of the main door of the room. Oct 24, 2016 - NEW DELHI: Ratan Tata looks younger than ever. He still fills the shoes of a legend and immediately appears to be an icon both to the . Ratan Naval Tata is Chairman Emeritus of Tata Sons. He was Chairman of Tata Sons for around two decades (1991-2012) before renouncing the position to Mr.