Part- I Geometrical Optics 1. Preliminary Concepts 2. Fermats Principle 3. Lens Systems: Cardinal Points 4. Matrix Formulation of Paraxial Optics 5. Aberrations 6. Optical Instruments and Eye- Pieces Part-II Physical Optics 1. Nature of Light 2. Interference of Light- I 3. Interference of Light 4. Diffraction of Light: Fresnel Class 5. Fraunhofer Diffraction 6. Resolving Power of Optical Instruments 7. Polarisation of Light and Double Refraction 8. Production and Analysis of Polarised Light 9. Rotatory Polarisation Part- III Lasers 1. Introduction to Lasers 2. Essentials and Principle of Lasers 3. Laser Systems 4. Application of a Lasers and Non- Linear Optics