Shaadi.com owns a number of related websites targeted at particular Indian communities. I live in Kolkata and ads for bengalimatrimony.com are everywhere (in a manner of speaking).
I've only see clear indication that they are liberal as in less government control.
YC is about innovation. Hundreds of start ups make it to YC, I don't see why an app for Brahmin singles to mingle is inherently not worthy of YC.
Instead of speaking in riddles why don't you just say plainly what you are thinking.