What technical discussion ? when someone go to temple he will not have to get a certificate From ASI whether god existed there or not. it is matter of faith ram setu is mentioned by valmiki Ramayan with accurate geometrical details. And about man made or not one thing to mentioned The amarnath Cave in kashmir is also not man made can you destory it too Respect the faith and about developement by destorying setu is just a big myth. it is acctually enviornment disaster