When the government decided not to include Bengali as one of the official languages, students protested on March 11, 1948, where Matin joined for picketing.
On 24 March 1948, after Mohammad Ali Jinnah made his speech at Race Course Maidan (currently Suhrawardy Udyan), he came to the University of Dhaka for convocation.
Earlier, on 11 March 1951, a rally was held at Dhaka University, organised by the then East Pakistan Chatra (Student League).
He played an active role to form Chhatra Union in April 1952 and became the second president of its East Pakistan unit.
Matin died on 8 October 2014, at Dhaka's Bangabandhu Sheikh Mujib Medical University (BSMMU).
In 2008, University of Dhaka conferred honorary Doctor of Law degree on him for his contribution to the language movement.