November 12, 1951 - May 31, 1974
Honoured with State AwardJune 1, 1974 - May 31, 1992
Honoured with National AwardJune 1, 1992 - May 31, 2001
Honoured with State and National AwardJune 1, 2001 - August 24, 2001
August 25, 2001 - October 31, 2006
Honoured with State AwardNovember 1, 2006 - August 20, 2008
August 21, 2008 - Present
Honoured with State Award