Atomic Physics by Dr. S.N. Ghoshal is a cornerstone textbook frequently cited in undergraduate and postgraduate physics curricula, particularly in Indian universities. The work is designed to bridge the gap between classical physics and the complex modern developments of the last few decades, providing a comprehensive guide to the structure and behavior of atoms. Google Books Core Themes and Subject Matter
Buy a used physical copy (which can cost as little as $5 USD or ₹150 INR) and scan the chapters you need for personal use. This is generally acceptable under "fair use" policies for studying. atomic physics s n ghoshal pdf