Biswatosh was the Additional Director-in-Charge in Socio-Economic Planning and Appraisal Maintaining Evaluation in Kolkata Metropolitan Development Authority (KMDA), Salt Lake.
The training and placement cell arranges vocational training and placement for students at organizations like L&T, VECC, Air India, Doordarshan, BSNL, DRDO, WBPDCL, WBSEDCL, Eastern Railways (India), NTPC, DVC, CLW, Simplex, Bridge & Roof, KMDA, Shapoorji Pallonji Group, Gannon Dunkerley & Company.