Indian Post Office — Non attending of customers

Dear sir, i want to lodge a complaint against a government employee of post office. i visited a post office for sone queries with my wife. the employee over there was talking on phone. i waited there for half an hour but he did nt drop down his phone.morover after asking him, he did nt reply and continued over phone.this was very harassing to me and my wife.and this put a bad image of government employee over us. the address of tha brach is...OLD PNTO PARK, AIR FORCE STATION, PALAM, DELHI CANTT, NEW DELHI - 110010