Indian flag has three colours,that's why it's called "Tiranga"(three coloured).The top most colour is saffron(keshariya)which represents the bravery.In the middle its white(safed)which represents the peace.In the middle of white stripe there is a blue(neela) circle with 24 lines.Circle is symbol of progress and 24 lines are symbol of 24 hours.Third colour is green(hara)which represents the prosperity.