Tapas is a proactive community leader with over more than 30 years of experience working on community development and filmmaking, using the medium for grassroots activism and mobilization. He also developed a documentary film: “Voices of the Sundarbans” about the Forest Dependent People of the Sundarban forest, funded by the Global Green Grant Fund in 2018. This film chronicles the struggle for survival of the forest-dependent people of the Sundarbans in the Indian region. The film has been released and projected on different national, regional, and local platforms to make people aware of the livelihoods and lifeworlds of fishers, farmers, honey collectors and crab collectors inhabiting the Sundarbans. His role is to design and organize field implementation components of the project in collaboration with IIT Kharagpur.