which history book you are talking about. written during 19th century. All the old history book befor that have been demolished by the british. do you have clear history of you ram. some say 17 mnyear some say 7121. What language you had then to talk about culture? do you know muslims helped to develop devanagri? when Hindi language developed? without arabian and persian words can hindi survive now? i challange you is there any one who can communicate in pure hindi without mixis one word from arabian or persian word. can you tell in what language the vedhas written?