Sulagna’s background is as an environmental scientist, specializing in hydrological, water quality modeling, and water resource management. She has a background in civil engineering, and a master's in hydrology and environmental management. For her Doctorate at TU Dresden (2022), she developed model-based solutions to serve as hydrological and water quality monitoring and planning tools. These models assist watershed managers in ensuring optimal water quality in rivers during extreme events like floods and droughts.
She has worked at international organizations, private sector companies, and research labs/universities in Europe, the USA, and India before joining WMO.