Mr. Chanchal Dass, is a Fellow of Institution of Engineers (Mechanical Engineering), and Member of Indian Mathematical Society, London Mathematical Society, American Mathematical Society, Society of Petroleum Engineers (SPE) and Society of Petroleum Geophysicists (SPG). He has published and presented numerous papers and attended various National and International Conferences, Forums and Seminars. He has invented three game changing technologies-first one is an innovative oil production technology, the second one is contract bridge tournament app and the third one is geometry-based mathematics teaching technique. He has conducted series of Mathematics Workshops for Professionals, University Faculties and Students from Class IX to Post-Doctoral Levels. He is Managing Director of Dass SRL and Dass OTPL and is recipient of World Oil Award in the “Innovative Thinker” Category.