Most of the group's shares were in positive territory, led by Tata Investment Corporation, which jumped 15 percent to Rs 7,545 per share.
Tata Teleservices (Maharashtra) followed with a 9 percent gain, and Tata Chemicals also saw an increase of 8.9 percent.
Other Tata companies, including Tata Elxsi, Tata Technologies, and Tata Power, also posted gains of over 3 percent.
Meanwhile, TCS shares were trading up nearly 1 percent as investors awaited its Q2 earnings report.
The nation is mourning the demise of Ratan Tata, a visionary leader who passed away on Wednesday (Oct. 9) night at the age of 86.
Tata transformed one of India’s oldest conglomerates into a global powerhouse through bold, strategic deals. Investors are honouring his legacy, with Tata Group stocks rising as a reflection of the deep respect and admiration for his contributions to the business world and his philanthropic efforts.