The reason is India is in real Country of Countries only an Confedaration is worth this Forced Fedaral system creates enmity among the people. Which ever been the languages of prior to august 15 1947 should be there no out state language should be allowed in othere state to dominate all will say england rules india for 300 years but there english never destroyed indian languages like in the case of marathi out of mumbai but hindi done that in less than 61 years.