Environmentalist and green technologist Somendra Mohan Ghosh (often cited as S.M. Ghosh) has raised serious concerns regarding the ecological destruction of the Nazirabad area, located within the East Kolkata Wetlands (EKW), a Ramsar site. 

Ghosh has highlighted the following points regarding the filling of wetlands in this region:

Wetland Encroachment: Scores of bheris (fisheries) and wetlands in the Nazirabad belt have been filled up over the past decade, replacing natural water bodies with illegal warehouses, plastic processing units, and automobile garages.

Illegal Construction: These, often, are built on illegal landfills in the Karimpur mouja under Kheyada II gram panchayat, an area that is part of the protected East Kolkata Wetland boundary.

Safety Hazards: The filling of these wetlands led to the construction of unsafe, unpermitted warehouses, which recently resulted in a massive fire that killed 26 people in January 2026.

Context: Ghosh, along with other activists, has consistently warned that the unauthorized filling of these wetlands, which act as a natural flood defense and sewage disposal system, is leading to a major ecological crisis for the city. 

In addition to the Nazirabad issue, Somendra Mohan Ghosh is actively involved in campaigns to stop the filling of wetlands, illegal construction in the EKW, and the cleaning of the Rabindra Sarobar lake.