A new pattern text book of physical chemistry for competitions: a new generation book for jee & all other engineering entrance examinations, authored by a. S. Singh and o. P. Tandon, is a text book for chemistry students who intend on applying for jee and other important entrance exams for engineering students. About g. R. Bathla publications pvt. Ltd g. R. Bathla publications pvt. Ltd was started by mr. Manoj kumar bathla and mr. Vishvnath bathla, the directors of the company. They have published books like new pattern numerical chemistry: a new pattern book for iit-jee and all other engineering entrance examinations, new pattern advanced problems in organic chemistry: for - jee and all other engineering entrance examinations 5th edition, objective chemistry vol. Ii 2/e, new pattern objective chemistry for jee vol. 1 and textbook of physics vol. - ii 17/e.