Hi 

As you have secured rank 2200 in obc category in NEET ,you have chances of getting a medical seat in following AIIMS -

Last year's cutoff rank for obc category in AIIMS -

1)AIIMS Patna-2048

2)AIIMS Raipur-2074

3)AIIMS Nagpur-2168

4)AIIMS Guntur-2212

In the above mentioned colleges ,you have slight chances of getting admission.

I hope this information proves helpful to you.

All The Best