Most international quantum chemistry texts are encyclopedic. They cover too much (molecular spectroscopy, relativistic effects) or too little (group theory for chemists). RK Prasad’s book is laser-focused on the common syllabi of Indian universities (Delhi University, BHU, University of Mumbai) and CSIR-UGC NET, GATE, and IIT-JAM examinations.
If you are a student, ask your professor or librarian if the book is available via INFLIBNET or Shodhganga (for reference lists). rk prasad quantum chemistry pdf
If you get the RK Prasad PDF and still feel lost, don't worry. No single book makes quantum chemistry easy. Use Prasad as your guide, but cross-reference with: Most international quantum chemistry texts are encyclopedic