Just to let group Know how I rectified my wrong date stamp in my Passport
Went back Suvarnbhumi 4th floor departures, went to customer info desk told them my situation they call immigration air side, immigration came to me land side at the Info desk checked the mistake took my passport away came back in 10 minuets with the new date stamped all sorted....... No effort really helpful and quick on the airport train.
Thanks to all for advise.