<Tr> <Td> 2012 </Td> <Th> Virender Poonia </Th> <Td> Athletics </Td> <Td> </Td> </Tr> <Tr> <Td> 2012 </Td> <Th> Satyapal Singh </Th> <Td> Athletics </Td> <Td> </Td> </Tr> <Tr> <Td> 2012 </Td> <Th> Harendra Singh </Th> <Td> Hockey </Td> <Td> </Td> </Tr> <Tr> <Td> 2012 </Td> <Th> Yashvir Singh </Th> <Td> Wrestling </Td> <Td> </Td> </Tr>

What is dronacharya award and why was it started