BBA

You are asking question that can be asked to you at the time of the personal interview round?

Check the below link for top BBA colleges in India-
https://www.google.co.in/amp/s/www.shiksha.com/bba/articles/amp/top-10-bba-colleges-in-india-blogId-7797
Also, check the below link for BBA colleges in India, based on fees, structure, locations and reviews-
https://www.shiksha.com/bba/ranking/top-bba-colleges-in-india/93-2-0-0-0

BBA IT is a 3-year under graduate programme. This course is a perfect blend of commerce, management and IT courses heading for smart careers in business administration with IT flavor. BBA (IT) offers opportunity for an early entry into management cadre, equipped with IT knowledge, to be trained appropriately by the companies for their requirements. These students can also opt for higher studies in India or abroad in management field. For details such as course specification, duration, fees structure, curriculum and admission procedure.
Visit - https://www.sicsr.ac.in/programmes/bba-it

In today's era, according to me computer technology is more preferable than the business.

You need to appear for MAH-MCA-CET:
Eligibility criteria for appearing to MAH-MCA-CET:
a) Passed with minimum 50% marks in aggregate or equivalent CGPA (45% in case of candidates of backward class categories and physically handicapped) of minimum three years duration in any discipline.
Candidates who have passed BCA, BCS or B.Sc (Computer/information Technology) degree courses are not required to fulfill the requirement of having studied mathematics or statistics as one of the subjects at 10+2 level or higher level examination.
b) Valid score of MAH-MCA-CET conducted by the competent authority.

Entrance exam score is required to get admission for MBA. Not a single college/institute in India will accept you without MBA entrance exam.

Yes, you can prefer BBA Examination Book published by Arihant 2018 pattern. It is also helpful for preparation of mass communication. You can get different types of tricky questions in it.