Who has power to fix working hours and extend working hours of Post Office?

Short Note:

Head of the Circle- Fix working hours of Post Office under clause 5 of Post Office Guide

Director General - May extend the working hours of Post Offices & keep them open on Sundays also.

3.Night Post Offices- (i) The working hours of the post offices are generally fixed by the Head of the Circle according to the timings given in clause 5 of the Post Office Guide. However, the Director-General may extend the working hours of any post office up to 8:30 P.M. and keep them open on Sundays also. These post offices will be termed 'night post offices' and will transact those transactions which have been authorized by the Director-General in this behalf.