In 1972, Shahadat performed an instrumental duet with his uncle Bahadur at the 'Alauddin Music Conference' in Dhaka.
He was honored with the 'Chalochchitro Projojok Samiti' (Association of Film Producers Award) for his super performance.
He accompanied Bangladesh cultural delegations to USA, Canada, France, Germany, the Netherlands, Iran, Iraq, Myanmar, Sri Lanka, Italy, India, North Korea, China, Hong Kong, Russia, Sweden, and Denmark.
Shahadat composed and directed the music for the documentary films Mrityuheen Pran, Meet Bangladesh,[2] and Ripples in Meadows (produced by the Ministry of Foreign Affairs for Bangladeshi embassies around the world).
[3] In 1994, he received the highest State Award of Bangladesh, the Ekushey Padak for his contribution in the field of music.