IndiGo — Than how they say i become late for a 2 min and they didn't allow me to go my fly

Address:	New Delhi, Delhi
Website:	Indigo

Im complain that 2 hours i was waiting inside of airport and people are saw me. I was waiting in line for a registration. Go fly... But when i reach to that people they told me that i be come late they are close before 25min and still they was there. I come to them 4:49 and they was speaking so bull. And make me missing my fly... Later on they told. Me that book new ticet for next fly for 8am. For 8.000 rupy and like making fun.. Where is the respect? What kind of people they are. Or they did becouse im not india or what? Even i called the office no one is know the english everyone speaking hindia.. How i have to complaint?