Section 33A(e) in The Indian Post Office Rules, 1933
(e)In addition to the rates mentioned in condition (c), a value-payable Express parcel Post may be booked on payment of an additional fee calculated according to the schedule given in sub-rule (2) of rule 96 and the maximum limit of value for which such value-payable Express parcel Post may be booked shall be Rs. 50,000/-,
