India

IIMs are no doubt the best colleges for MBA, followed by some top private/autonomous institutions like Xavier's (XLRI,XIMB), S P Jain, FMS-Delhi, MDI-Gurgaon, Department of Management (IIT-D/B), NITIE, NMIMS-Mumbai and Symbiosis (SCMHRD, SIBM). These all are among top 10 B-schools of India. A score above 95 percentile in CAT will give you a chance to get into these colleges. JBIMS and FMS are two top tier institutes with best ROI. These are some of the best colleges for MBA.

Yes, you can. But, your candidature would be considered under All India Seat. So, you would need a higher score in any exam that you choose to apply through.

Every college has its own protocols and dates assigned for admission and varies generally, so there is no fixed schedule. However, colleges resume mostly by June.

Yes, you can pursue BCA but your chances of admission in a good college would become limited.

You can consider the below mentioned colleges:
1. Delhi University - New Delhi.
2. Pune University – Pune.
3. University of Hyderabad – Hyderabad.
4. REC – Trichy.
5. Banaras Hindu University – Varanasi.
6. Birla Institute of Technology – Jaipur.
7. Indian Institute of Management – Indore.
8. Jawaharlal Nehru University - New Delhi.
9. ITM University – Gwalior.
10. Jamia Millia Islamia - New Delhi.
11. IIT – Roorkee.
12. NIT – Surathkal.
13. Birla Institute of Technology – Ranchi.
14. NIT – Rourkela.
15. PSG College of Technology – Coimbatore.
16. Vellore Institute of Technology – Vellore.

They haven't declared the cut offs from last two years.