See,itimay habe been t misinterpretati from your side maybe but let le clear the situation

As per the supreme court notice of 2018 admissions to the medical colleges in Chandigarh which will be under the reservation category need to be insured with a proper reservation certificate given by the union territory of Delhi and any candidate not being able to produce the certificate which is authorised by the union territory of Delhi will not be able to avail reserved category seat in the medical college of Chandigarh including Government medical College and hospital Chandigarh

There are around 77 reservation seats distributed by percentile as laid down for Indian law between scheduled caste scheduled Tribes and other backward classes and it would do you go to go to the following notice in order to get a clear idea about your doubt

https://www.hindustantimes.com/punjab/gmch-admissions-need-caste-certificate-from-ut-to-get-reservation-says-hc/story-LQNDGzN9aK3Eu87viUmjSP.html