<Tr> <Th_colspan="2"> Public finances </Th> </Tr> <Tr> <Th> Public debt </Th> <Td> 67.7% of GDP (2017) </Td> </Tr> <Tr> <Th> Revenues </Th> <Td> ₹ 35.41 trillion (US $550 billion) (2017) </Td> </Tr> <Tr> <Th> Expenses </Th> <Td> ₹ 46.25 trillion (US $720 billion) (2017) </Td> </Tr>

How does public sector play an important role in the economy of india