My rank is 2955 in SC category and I reside in Delhi, What are the chances in Delhi medical colleges
Your rank is quite high. With this you may not be able to get into the deemed government institutions with All India Quota Seats if you do not avail your category rank or State Quota. Since your question is incomplete and doesn't mention which college you wish to know of, here are a list of MBBS and BDS colleges in Delhi that you have a fair chance in:
The above list is based on previous year's data and since the cutoffs vary every year, it might not be exact. To know about the list of colleges that you can get into, kindly use the NEET UG college predictor tool below:
https://medicine.careers360.com/neet-college-predictor?icn=QnA&ici=qna_answer