No biography available for Prem Chopra.
1988
1996
1984
2023
1975
1994
1973
1980
1967
2008
1964
1994
1989
1990
2012
1982
1996
2015
1972
2004
1981
1980
1989
1976
1982
1994
1970
1988
1976
1989
1987
1993
1980
2003
1989
1992
1984
1978
1972
1983
1994
1982
1982
2017
2001
1971
1977
1983
1982
1990
2010
1971
1985
1986
1986
2011
1992
1981
1994
1973
1965
1968
1984
1988
1969
1995
1992
1987
1977
1969
1962
2012
1985
1995
1974
1995
2006
1975
1993
1987
1990
1997
1972
1977
1994
1970
1989
1982
1992
1986
1995
1997
1999
2011
2005
1972
1983
1968
1991
2015
2004
2012
2011
1985
2003
1970
1987
1984
1983
1985
1992
1988
1979
2000
2006
1986
1977
2001
1980
1994
1985
1990
2019
1995
1994
1991
1987
1966
2003
1977
1975
1999
1986
2007
1994
1960
1992
1985
2004
1993
2010
2007
1987
2000
2007
1992
2014
2017
1985
1993
2003
2007
1999
2013
1973
1980
1979
2005
1989
1970
1994
2001
1987
2005
1983
1978
1976
1969
1996
1967
1993
2005
2012
1976
1995
1969
2009
1973
2021
1996
1979
1977
1972
1992
1968
2007
1978
1978
1993
1984
1974
1971
1998
1999
1992
2009
1995
1979
1967
1965
1988
1988
1965
1973
1974
1980
1978
1972
1977
1982
1966
1985
2010
1989
1981
1985
1988
1984
1977
1988
2018
1992
1969
1974
1995
1975
1999
2011
1988
1965
1970
1977
2019
1970
2013
1976
1980
1973
1960
1985
1967
2009
1971
1974
1982
1987
1986
1997
1983
2017
1974
1989
1989
1973
1989
1983
1989
2014
1971
1992
2007
1994
1989
1955
1985
1981
1985
1997
