In Udaipur in North-East India, Bijoy Sagar is a lake that is also renowned as Mahadeb Dighi. In Tripura, in Udaipur, It is one of the largest lakes. The length of this lake is almost 750 feet and in breadth, it is around 450 feet. With domestic sewage and wastewater through one drain, the lake is contaminated, and located on the northeastern side. For bathing, washing, fishery, etc, the population depends on Bijoy Sagar or Mahadev dighi. The surrounding households area also vacates their solid waste into the Mahadev Dighi.