- Although ad hoc service does not confer any right for regular appointment — But when ad hoc appointment is followed by a regular appointment, it does confer a right for counting ad hoc service towards the length of service prescribed for promotion or move over in the case next higher scale and ultimately pensionary benefits. Ghulam Rasool & another v. Azad Government & 4 others 2006 SCR 376 (A) 1993 SCMR 609, 1994 SCMR 75 and 1998 SCMR 969 rel.