Shri T S Gyalsten
(26-04-1975 - 31-03-1980)

Shri M P Pradhan
(01-04-1980 - 09-05-1984)

Shri K M L Chabra
(01-05-1984 - 8-12-1986)

Shri H.M. Singh
(9-12-1986 - 31-03-1989)

Shri K C  Pradhan
(01-04-1989- 31-07-1991)

Shri P K Pradhan
 (01-08-1991- 19-04-1993)

Shri G P Pradhan
 (20-4-1993 - 22-8-1993)

Shri K A Vardan
 (23-8-1993 - 29-06-1996)

Shri Sonam Wangdi
 (30-6-1996 -11-09-1996/
 15-04-1998 - 10-09-2000

Shri K S Rao
 (12-09-1996 - 15-04-1998)

Shri S W Tenzing
(11-09-2000-2-11-2004 )

Shri N D Chingapa
(3-11-2004- 12-08-2009 )

Shri T T Dorji (13-08-2009-31-03-2011) 

Shri N D Chingapa (01-04-2011-31-07-2011)