Are you asking for any competitive exam like NEET?

If yes then the recommended study material for NEET preparation are:

Biology – Theory books: Trueman’s elementary biology Vol-I & Vol-II, Companion biology by K.Bhatti (Dinesh publication). Objective books: Objective biology by Dinesh, AIIMS explorer by MTG publication, Trueman’s objective biology.

Physics – Theory books: Concepts of Physics by H.C.Verma, NCERT Physics: CBSE PMT by Anil Aggarwal, NCERT- Physics Part 1 and Part 2. Objective books: Physics for Medical Entrance Examinations by D.C Pandey (Arihant Publications).

Chemistry – Theory books: GR Bhatla publications by O.P Tondon. Objective books: O.P Tondon by GR bhatla publications, a book by Arihant publications.

You should also give online and offline mocks to improve and analyse your preparation accordingly.

Good luck!