New Delhi [India], October 10 (ANI): Reliance Industries Chairman Mukesh Ambani expressed deep sorrow over the demise of Ratan Tata, describing it as a “sad day for India” and said that the passing of Ratan Tata filled him with “immense grief.” In a post on X, the Reliance Industries Chairman remembered Tata as a visionary industrialist, philanthropist, and dear friend and extended heartfelt condolences to the Tata family and the entire Tata Group. “It is a very sad day for India and India Inc. Ratan Tata’s passing away is a big loss, not just to the Tata Group, but to every Indian. At a perso…