BCA

In India majority of IT freshers are hired through campus placement. Recently some companies have started offering Ready to Deploy Resources (RTD) to IT companies instead of companies conducting campus interviews themselves. These companies train computer graduates and supply to large companies. You may evaluate training courses of companies such as http://www.alchemysolutions.net/ to enhance your employ-ability.

Certification on database development or DBA will enhance your chances of a good job. All the best.

You can go for B.Sc as it is having a lots of career opportunities.

I will suggest you to pursue B.Sc. in CS and after that you can do Masters in the same as there are great opportunities for you.
All the best.

No , Mathematics is an important subject in BCA, so you are not eligible for it

Yes,
A lot of sample paper books are available in the market. You can also search your library.

IITs does not offer degree courses on BCA or B.Sc in CS. You are advised to appear for JEE to do B.Tech CS in any of the IIT. You may refer to academic programs offered by IIT Indore: http://academic.iiti.ac.in/academicprogram.php

Yes, you will definitely get a good job after completing BCA and MBA if you pursue MBA from a prestigious B-school. Preferably from any of the top 30 B-schools.

Try to secure good rank. Following are the top colleges for pursuing BCA in IP Univerisity.
1. VIPS
2. Maharaja Agrasen Institute of Technology
3. Maharaja Surajmal Institute of Technology

Hi,
You can do any professional course on some technology which is not there in your academics. If you have interest in networking then you can appear for CCNA exam. Also, if you are interested in hardware/software then you must do IoT for 90% job guarantee or you can do embedded as well.