Dear Mallesh
The cut off is very unpredictable, it increases every year. But be prepared for 85+ percentile in boards, that's the minimum score!!!

FIRST seat gets reserved at 94% or something. So considering all odds, reservations be well prepared with a nice results! Add +5 % to last year's cut off.. That much would be the max score you can predict as your cut off.
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All the best!!!