Your CAT percentile 49 is low for top MBA colleges. With 49 percentile, you may get admission in some private MBA colleges and lesser-known institutes. You can try colleges through state MBA counselling and management quota.
Here is the Career360 page for MBA expected cutoffs and lists of colleges you can check:
https://bschool.careers360.com/colleges/list-of-mba-colleges-in-india
You can also check this Career360 topic about MBA colleges by CAT score:
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