He has a Diploma in Visual Art from Rabindra Bharati University Kolkata in 1979-80. Since 1975 he has participated in various group exhibitions held nationally and Internationally, in Kolkata, New Delhi, Mumbai, Bangalore, Indonesia, Dubai, Bangkok and Singapore. Many of his paintings are in the art collections of dignitaries like Mr. Kamal Nath former Minister Govt. of India. Mr. Promod Noleker former Minister (Art & Culture ) Govt. of Maharastra. Mr. Pritish Nandi (M.P ).Mrs. Aparna Agarwal (Mid-Day, Mumbai), Dabur India (P) Ltd. State Bank of India as well as ONGC . Birla Archaeological Museum & Research Inst. Hydrabad. & I T C. Sonar Kolkata.
Arun Samadder chooses to depict Indian mythology, especially the Mahabharata, as a subject for his art because of its vastness and relevance with our day to day life. "All my paintings are based on Indian mythology and culture..more precisely they are the extracts of Indian Purana. Besides my other paintings are on well known Holy places of India".