Section 6(2)(b) in The Tripura Courts Stenographers' Service Rules, 1983
(b)temporary posts in the Higher Selection Grade shall be filled by the departmental candidates holding appointment as Stenographer in the scale of pay of Rs. 425-850 before the appointed day, who may be screened for such appointment by the Departmental Promotion Committee on the basis of seniority subject to the rejection of the unfit;