Section 6(2) in The Punjab Privately-Managed Recognised Schools Employees (Security of Service) Rules, 1981
(2)Unless otherwise specified in the Appendix to these rules, an employee who has not attained the knowledge of Hindi and Punjabi language of matriculation standard or its equivalent, shall have to acquire the same within a period of two years from the date of his appointment or the commencement of these rules, whichever is earlier, failing which he shall not earn his future grade increments till he acquires such knowledge when the increments shall be released retrospectively :Provided that he shall not be entitled to get arrears of the released grade increments for the period during which he could not acquire the aforesaid knowledge.
