As per rule 3.(c) of G.O. No. 768-Edn(P) dated 22.11.1991,
Roll strength of a Teacher:
If, on the basis of a report from the District Inspector of Schools (Primary Education) a post of teacher in a Primary School is found to be in excess, compared to the number of pupils according to subrule (a), that excess post may be transferred by the Council to another Primary School, within its jurisdiction, having need for post according to the number of pupils.