Section 16(21)(vii) in The Maharashtra Employees of Private Schools (Conditions of Service) Rules, 1981
(vii)The amount of leave salary and allowances for the surrendered leave may be paid in advance but not earlier than six days before the commencement of leave. The authority competent to sanction leave shall insert a clause in the sanctioning order itself to the effect that in case the leave is required to be cancelled by the competent authority before the date from which the employee was to proceed on leave, the amount of leave salary and allowances for the surrendered leave shall be refunded forthwith by the employee in one instalment or adjusted in full in the first monthly pay or leave salary bill of the employee. No deductions on account of Provident Fund subscriptions, house rent re-payment of any advances and repayment of any dues to Co-operative Societies etc. shall be made from the leave salary for the period of surrendered leave.