India Post — staff not working in proper timing in naihati post office

Address: 743165

Dear sir
I, mithilesh kumar, want to register an complain against naihati post office staff who not working in time which time is provided by head office. Sir, i, gone to in naihati post office at 2.37 pm to gave my parcel but they refused to receive my parcel and told me that receive time is 10.30 to 14.00. I wanted to know that is it right or wrong. If it is right then no problem