The region are identified by the birth of the a baby in a hindu so he is also hindu the olden people opposed this system . because the priest divided people into 4 groups:
1-Bramhins - thay can perfome ritiuals can study and teach and can lso take gift from people.
2- raja - there main work was to protect there people they can also perfome ritiuals but they could not take gift.They can also study.
3- vashiyas - were the people who were traders ,farmers etc they can aso study and perfomeritiuals but can not take gift .
4- shudras- were people who can not study, perfome ritiuals ,take gift but to serve all the three upper cast they were non-touchablr and womens were also counted in them if u liked this so plz mark it as the best plzzzzzzzzz.