is the best possible book for organic chemistry to refer for IPU CET.
For IPU CET 2017 Mathematics paper you can refer "RD Sharma class 11th and RD Sharma class 12th" for an apt preparation.
People tend to underestimate the school level books. But these are the ones that will build your foundation.
For IPU CET there is a book available as GGSIPU Engineering Entrance Exam Success Package by Arihant Experts.