BBA

Do BBA from Asian School of business.
You'll also get a college life and environment instead of sitting at home.

You can get lower rank jobs in MNCs such as Facebook, Google, etc. after BBA from prestigious institutes such as Shaheed Sukhdev College of Business Studies, Delhi University. You may able to get a job in MNCs if you do MBA from any of the top 30 B-Schools of India.

BBA admissions are generally based on the percentage that you get in 12th standard. Most of the colleges give admissions based on merit. Its a generic course and based on this qualification you can seek admission at entry level in organisations in domains like Sales, Customer service, Operations, marketing, etc.

This would depend a lot on your interest areas & career aspirations. MCA will give you explore to multiple IT related areas including software skills whereas SAP will make you a specialist in a specific language & domain.