If you are a student of Mechanical, Automobile, or Aeronautical engineering, Dr. G.K. Vijayaraghavan’s Engineering Thermodynamics
This version (often associated with Vikas Publishing) feels more like a traditional textbook. It strikes a balance between the rigor of foreign authors (like Cengel or Boles) and the local needs of Indian universities. engineering thermodynamics by vijayaraghavanpdf better