Sankaranarayanan was also asked to assume the additional charge of Arunachal Pradesh during the absence on leave of S K Singh.

[7] He remained in that post until January 2008, when Joginder Jaswant Singh became governor of Arunachal Pradesh.

[9] Sankaranarayanan, veteran Congress leader, was born on 15 October 1932 in the city of Palakkad in the state of Kerala as the son of A Sankaran Nair and Smt K Lekshmi Amma.

Sankaranarayanan died on 24 April 2022 at his home in Sekharipuram, India from complications of a stroke, aged 89.

[11][12] He was cremated with full state honours at the premises of his ancestral home in Painkulam, Thrissur district.