no such thing as aryan invasion.it was a theory propounded by white supremacists to stake claim to the indus valley civilization. HINDU IS THE NAME OF A RELIGION BY WHICH THE PERSIANS AND ARABS USED TO REFER TO INDIANS.(MEANING INDIANS WERE BY RELIGION HINDUS).INDUS VALLEY CIVILIZATION IS 10000 YEARS OLD.MAHABHARAT IS A 5000 YEAR OLD TREATISE.OFF THE 10000 YEARS OF HINDU EXISTENCE MUSLIM RULERS HAVE ONLY RULED FOR 1100 YEARS.(ABOUT 10% OF THE TIMES). PLEASE READ ACTUAL RESEARCH PAPERS RATHER THAN 9TH STANDARD HISTORY BOOKS.