for last almost twenty years in Aligarh Muslim University, working on different Instrumental methods of chemical analysis through various analytical Instruments i.e. FTIR, Atomic Absorption Spectrophotometer, Uv-Vis Spectrophotometer, Gas Chromatography, TGA & DTA, fluorescence spectrophotometer, and Potentiostat/Galvanostat for electrochemical analysis in different laboratories of different departments also worked for water & air quality analyses in environmental analysis laboratory.