<Tr> <Td> (5) </Td> <Td> Chaudhary Devi Lal MLA for Meham </Td> <Td> 17 July 1987 </Td> <Td> 2 December 1989 </Td> <Td> Janata Dal </Td> <Td> </Td> <Td> 870 days (Total 1608 days) </Td> </Tr> <Tr> <Td> 7 </Td> <Td> Om Prakash Chautala </Td> <Td> 2 December 1989 </Td> <Td> 22 May 1990 </Td> <Td> 172 days </Td> </Tr> <Tr> <Td> (4) </Td> <Td> Banarsi Das Gupta MLA for Bhiwani </Td> <Td> 22 May 1990 </Td> <Td> 12 July 1990 </Td> <Td> 52 days (Total 569 days) </Td> </Tr> <Tr> <Td> (7) </Td> <Td> Om Prakash Chautala </Td> <Td> 12 July 1990 </Td> <Td> 17 July 1990 </Td> <Td> 6 days </Td> </Tr>

Which of these chief minister of delhi once served the youngest minister of haryana government