Click on the below links to download notes of each unit:

Unit 1: Old Quantum Theory

Unit 2: Electronic Theory of Valency

Unit 3: Valence Bond Theory

Unit 4: Molecular Orbital Theory

Unit 5: Molecular Properties

Unit 6: Molecular Spectroscopy I

Unit 7: Molecular Spectroscopy II

Please note that these are the units that come under Atomic & Molecular Structure. You don't have to study all the chapters. Only study chapters that are in your syllabus.

For your syllabus, you can visit your university!

Disclaimer: The study material provided on this website is taken from the eGyankosh official website.