He was elected to the Doom Dooma constituency 6 times and was a labour minister in the Hiteswar Saikia cabinet.
[1] Tanti was the Indian National Congress candidate for Doom Dooma in the 1978 Assam Legislative Assembly election.
[2] He was again the Indian National Congress candidate for Doom Dooma in the 1985 Assam Legislative Assembly election.
He received 17299 votes, coming third to Congress candidate Durga Bhumij, after serving as MLA for 28 years.
[1] On 13 July 2022, Tanti was admitted to the Gauhati Medical College and Hospital after being seriously ill for the days prior due a blood haemorrhage.
Several politicians paid tribute to him, including MLA Rupesh Gowala and former Union Minister Paban Singh Ghatowar.