sir I am from coimbatore tamilandu.i and my wife was born in tamilnadu. but we dont have birth certificates.we were born in the year 1970.

my son also born in tamilnadu he is having all the required documents for mbbs state quota selection. My business is in kerala and so i and my wife are having ration card in kerala address.i am doing business from tamilnadu.What is the procedure for my son joining mbbs in tamilnadu state quota seats