You can refer to the below given books for MAH MCA CET:
11 Years Solved Papers 2015-2005 MCA Entrances by Amit M Agarwal
A Complete Study Package for MCA Entrances by Amit M. Agarwal
A Complete Study Package for MCA Entrance of All Indian Universities by Amit M Agarwal
For information about other refernce books, Click here
For Direct second year admissions to MCA, the candidate should have passed Bachelor Degree in Computer Applications or Computer Science (Information Technology or Computer Science) to eligible for MAH MCA CET. To know more about eligibility criteria for MAH MCA CET 2018 click here.
Sorry but you are not eligible to apply for the Maharashtra MCA CET. The eligibility criteria for the exam demands the candidates must have completed their graduation with Mathematics being a major subject.