Chapter - 1 : Principles of Spectroscopy (Introduction : Principle of spectroscopy, Definition, Origin of spectrum, Classification of spectroscopy – atomic and molecular, selection rules. Table of relation between electromagnetic spectrum, types of spectroscopy and energy changes) , Chapter - 2 : Applications of Spectroscopy (Emission spectroscopy – Principle, Instrumentation and applications (Flame Photometry) , Introduction to florescence and phosphorescence, Jablonski diagram, application of fluorescence in medicine only) , Chapter - 3 : Concept of Electrochemistry (, Chapter - 4 : Corrosion , Chapter - 5 : Green Chemistry and Synthesis of Drugs , Chapter - 6 : Fuels and Combustion