(1) While counting seniority of service, a  maximum of 30 marks shall be given at the rate of two marks for each
academic session in the post and level currently engaged in.  Provided that-
(1) While counting marks for seniority, for some months or  days more than an academic session, marks shall be given proportionately.
(2) For the purpose of this Sub-Rule, no marks shall be given for the period of absence or extra ordinary leave.
(2) For the purpose of this chapter, if the duration of permanent service is discontinued in between, the duration so
discontinued shall be deducted and the actual duration of service shall be counted. More over, if one has served as temporary teacher continuously, fifty percent of such period shall also be counted.
Provided that, the period in which one is absent in school without getting salary shall not be counted in the service period.