Can I apply for BCA entrance exam? I am an arts student without maths and IP.

Yes, you can easily pursue BCA without any problem. Remember that every university will not provide admission to you but majority of colleges will provide you admission without any problem. Just make sure that you score atleast 45% in your class 12th in order to be eligible for admission.

The general eligibility criteria for BCA course is 10+2 from a recognised board of education or equivalent, with minimum 50% marks in total and also having mathematics as a subject in the qualifying examination. Some colleges such as IGNOU, Symbiosis University, etc. allow non-maths students to seek

You can get an idea of the eligibility criteria of IMS Ghaziabad UCC for BCA admission from the link as mentioned here https://www.shiksha.com/college/ims-ghaziabad-university-courses-campus-49334/course-bca-diploma-in-data-science-265689 and apply accordingly.