The tenancy of any person holding an office of profit under the Union or State Government or to any person holding a post under the Madhya Pradesh Electricity Board and placed in 408 possession of a house by an order under clause 23 or 24 A shall terminate on the date of the transfer of, or gram of leave other than casual leave, to such person or on the date from which such person ceases to hold an office of profit under the Union or State Government or ceases to hold a post under the Madhya Pradesh Electricity Board, as the case may be, and the said person shall vacate the said house within seven days of such date and the landlord and tenant shall give the intima tion prescribed in clause 22 to the Collector in respect of such house; Provided that on sufficient cause being shown to the Collector he may, in his discretion, extend the tenancy by a period not exceeding four months.