The six-time MLA was admitted to the hospital late after complaints of uneasiness where he was put on life support in Dr B R Ambedkar Memorial Hospital in Raipur. Earlier in the day, Tandon attended the dress rehearsal for the Independence Day Parade.
Tandon, 90, was sworn in as the governor of Chhattisgarh on 18 July 2014.
He was also the former Punjab’s Deputy Chief Minister. He also served as cabinet minister in 1977-79 and in 1997-2002 in the ministries headed by Parkash Singh Badal.
Tandon, one of the founder members of the Jansangh which later became the Bharatiya Janata Party (BJP), became the governor of Chhattisgarh in July 2014.
During his long political career, he has served on various posts, including as deputy chief minister of Punjab.
The six-time MLA was also jailed from 1975 to 1977 during Emergency.
More details awaited.