Industrial Disputes (Central) Rules, 1957
52. Term of office
16 [(1) The term of office of the representatives on the Committee other than a member chosen to fill a casual vacancy shall be two years.]
(2) A member chosen to fill a casual vacancy shall hold office for the unexpired term of his predecessor.
(3) A member who without obtaining leave from the Committee, fails to attend three consecutive meetings of the Committee shall forfeit his membership.