Malaysia Vasudevan married Annaporani also known as Usha Vasudevan on 26 January 1976. Malaysia Vasudevan has three children Yugendran, Prashanthini and Pavithra. His son Yugendran Vasudevan Nair has acted in many films in Tamil and other languages. He is also a playback singer in Tamil. His daughter Prashanthini is a playback singer. She has sung songs like "Mundhinam" in the movie Vaaranam Aayiram and many more. Pavithra is married and resides in Malaysia. Malaysia Vasudevan has four grand children. Visashan Naarayan and Kishan Naarayan born to Yugendran, Sai Narayan born to Pavithra and Rithvik son of Prashanthini. He died on 20 February 2011 in Chennai, Tamil Nadu. His parents were from Palakkad. Vasudevan's mother is the second wife of his father. They became labourers in the rubber estates in Rajaghiri estate, Kuala Selangor. After a few years Chattu Nair and Ammalu became husband and wife in an arranged marriage. Vasudevan was born on 15 June 1944 as their eighth and youngest child. Even though he was a Malayalee, as was the case with the majority of contemporary South Indian migrants to Malaysia then, his surroundings in Malaysia was dominated by the Tamil language and culture. As such, Tamil became his language of choice, at school and at home.
He has also acted in nearly 85 films. Veteran Tamil director A. P. Nagarajan christened him as "Malaysia Vasudevan". Some of his notable films include Oorkavalan (with Rajinikanth), Mudhal Vasantham (with Sathyaraj), Oomai Vizhigal (with Vijayakanth), Kathanayagan (with Pandiyarajan), Oru Kaidhiyin Diary (with Kamal Hassan), Jallikattu, Thiruda Thiruda, Amaidhi Padai, Poove Unakkaga, Badri,Punnagai Desam, and Kokki. Besides acting in films, he has acted in a good number of tele serials. He composed music for a few movies like "Pakku Vethilai" (1981) and "Ayiram Kaigal" (1984).