@ Sh. Ashish
What @ Rajesh says about AP customs is 100% right and same is customary in many other Southern States in
Further, I read in one of your above postings in this thread saying “there is no practical solution“
I say yes there is a legal solution forget practicality for a moment;
1. Both can marry after converting to Christianity as per S. 3 of Indian Christian Marriage Act and many HC's have given such couples blessings. Recent highlighted case being that of Sh. Vishal Gogne (Hindu), Metropolitan Magistrate,
However, it is possible only when both boy and girl agree to marry.