He is the Visiting Professor to Krishna University, K.L University, BITS (Pilani) and National Institute of Rural Development , Hyderabad. He is instrumental in conducting surveys - Socio- economic Survey of Arulnagar in Vijayawada, Survey on the functioning of the Police, Survey on Public Distribution System, Survey on Civic- Amenities provided by the Vijayawada Municipal Corporation, Survey on Economic Support Programmes in slums developed by the Overseas Development Agency of the United Kingdom, Survey on Low-cost Housing, Survey on Water Systems etc. In 2005-2006, he had served as the District Governor for Rotary International Dist. 3020. Other remarkable achievements of M.C.Das are Visited U.S.A. as a Member of Group Study Exchange team of Rotary International in 1978 and made a study of the educational institutions and industries, Conducted talk Shows on American TV Visited U.K., U.S.A. and Brazil as a leader of the GSE team of Rotary International in 1991 Chairman, Rotary News Trust: 2005-2006 4) Founder &Managing Trustee, Rotary Blood Bank and Medical Services Charitable Trust Executive Committee Member, Vijayawada Chamber of Commerce and Industry. Executive Member, Forum for Child Rights Editor, Vijayawada Chamber Fortnightly Donated all his Retirement benfits to Rotary Foundation.