Why Do People Marry Outside Their Caste?

Only about five per cent of indians marry outside their cast. The perception still is, it's great to date and have fun with whoever you want but at the end of the day, everyone marries within their cast,. I recently learnt that this has also permeated parts of indian sub culture which it really should not be in like the elgibitic community. My friends from the queer community tell me that castandogamy is very prevalent. There are many people within specially dullet members of theElgibiticu community who feel that gam shouldn't be legalized early because it will institutionalize caste identity part of it. Just because somebody has a certain sexual orientation doesn