EcoVation Bangladesh (formerly known as Liter of Light Bangladesh) (Bengali: ইকোভেশন বাংলাদেশ) is a social enterprise established in February 2015 by Shanjidul Alam Seban Shaan. It provides free-of-cost eco-friendly lighting solutions to poor communities such as coastal area, hill tract area, island, slum, and refugee camps in Bangladesh. It researches and innovates easy-to-make lighting solutions out of easily available materials like plastic bottles, solar panels, bamboo, battery, etc. The organization also researches about bioplastic, plastic recycling, hydropower, and plastic fuel. It implements the technology it innovates by giving it to the community for free-of-cost. They run livelihood projects helping poor communities to learn their technology and start micro-enterprise. Their projects served around 1000 entrepreneurs including Rohingya refugees in Cox's Bazar. Liter of Light Bangladesh is working to achieve the United Nation's Sustainable Development Goals, precisely SDG7, SDG9, SDG11 & SDG17.