Government employee’s period is 8 hours a day. Anybody performing duty beyond that are entitled to get overtime allowances as per Govt. rules. For all practical purposes, the employees of Dhaka Zoo are to perform their duty from 7.00 am to sunset when the visitors leave the palace as per existing provision, the Zoo are kept open for the visitors on all weekly holidays and other national holidays including holy Eid , puja etc. So the employees of Dhaka Zoo are denied form attending any social function retrieval.