Chemistry Entrance Exam

Hi Neha, it's not necessary if the university does not ask for it.If you are applying to a very highly ranked university and you want to give your best shot a it you can attempt the subject test to make your application strong.

Please refer to the link provided below for details on how to prepare for your entrance exam in various M.Sc courses.
Link: https://www.shiksha.com/science/articles/how-to-prepare-for-top-msc-entrance-exams-blogId-13489

Arhiant publication is one of the best.

A few textbooks which you can refer to for your preparation in M.Sc. entrance exams are as follows:
1) For Organic Chemistry-Morrison and Boyd Organic ChemistryT. W. Graham Solomons and Craig B. Fryle
2) For Inorganic Chemistry-James E. HuheeyPuri, Sharma and Kalia
3) For Physical Chemistry-Puri, Sharma and PathaniaAtkins' Physical Chemistry
4) For Spectroscopy-C. N. BanwellB. K. Sen & Moushumi Ganguly (Kalyani Publishers)

You can check the same from last year papers.