Food for thought. However, it is more of raising a storm in a teacup. There is nothing like 'Saudi Islam' or 'Indian Islam'. There is simply 'Islam' What, however is there, is 'Indian Muslim' and 'Saudi Muslim' that is just to finetune the identity and nothing more. Yet, if Urdu is taken by the Muslims to be the language of the subcontinental Muslim, then it is 'Ramazan' and not 'Ramadan'. However, if one feels closer to the Saudi genes and not the sub continental genes, then is equally fine. Here is the other side of the argument An interesting commentary.