<Tr> <Td> Zafar Saifullah </Td> <Td> 31 July 1993 </Td> <Td> 31 July 1994 </Td> <Td> 1 year </Td> <Td> He belongs to the IAS (KA: 1958 batch). </Td> </Tr> <Tr> <Td> Surendra Singh </Td> <Td> 1 August 1994 </Td> <Td> 31 July 1996 </Td> <Td> 1 year, 11 months, 30 days </Td> <Td> He belongs to the IAS (UP: 1959 batch). </Td> </Tr> <Tr> <Td> T.S.R. Subramanian </Td> <Td> 1 August 1996 </Td> <Td> 31 March 1998 </Td> <Td> 1 year, 7 months, 30 days </Td> <Td> He belongs to the IAS (UP: 1961 batch). </Td> </Tr> <Tr> <Td> Prabhat Kumar </Td> <Td> 1 April 1998 </Td> <Td> 31 October 2000 </Td> <Td> 2 years, 6 months, 30 days </Td> <Td> He belongs to the IAS (UP: 1963 batch). </Td> </Tr>

Who chairs the cabinet meetings who is the most powerful within the cabinet