<Ul> <Li> Old Hindi </Li> </Ul> <Tr> <Th> Writing system </Th> <Td> Devanagari Devanagari Braille </Td> </Tr> <Tr> <Th> Signed forms </Th> <Td> Signed Hindi </Td> </Tr> <Tr> <Th_colspan="2"> Official status </Th> </Tr>

Spread and development of the hindi language is related to