G R Bhathla & Sons G R Bathla& Sons is one of the leading publishers of textbooks for CBSE, ICSE, and State Board students of Classes VI, VII, VIII, IX, X, XI, and XII and Physics, Chemistry, Biology, and Mathematics books for Engineering and Medical entrance exams. ‘A Textbook of Physical Chemistry by Dr. O.P. Tandon and Dr. A.S. Singh’ and ‘ Advanced Problems in Organic Chemistry by HimanshuPandey’ are the bestsellers by the organization. Click here to view all book of this publisher