[citation needed] When Congress (S) was split in 1986, he joined the faction headed by Sarat Chandra Sinha.
[citation needed] It was this faction which led to the formation of Nationalist Congress Party (NCP) headed by Sharad Pawar in 1999.
When this party was formed, a rift occurred, and Shanmughadas, then the state cabinet minister of Kerala, resigned his post.
[citation needed] Shanmughadas was also the Chairman of KANFED and a member of Kerala Granthasala Sangham and Kozhikode Regional Transport Authority.
[citation needed] Shanmughadas died of a cardiac arrest on 27 June 2013 at the age of 74.
[1] He was not keeping good health for a while, due to various problems like diabetes, hypertension and high cholesterol.
He was immediately rushed to Kozhikode Medical College Hospital, where he was pronounced dead at 9:15 PM.