Hydrogen storage by electrochemical reduction of nitrogen, Metal-ion batteries, Development of organic dyes and hole transporting materials for dye sensitized solar cells (DSSC) and perovskite solar cells, Electrode materials and novel redox couples for flow battery, Electrode materials for oxygen reduction reaction in alkaline and acidic medium (Zn-air and polymer electrolyte membrane fuel cells), Development of high energy density supercapacitor materials and Development of sensors for biologically important molecules