A for apple, B for banana, C for cat. That is the manner by which we learnt it back in school, recall? However that is not how it is any longer in India. Things have changed and like everything else, the letters in order has advanced as well.
India is an diverse country with so many states and all of them have different cultures. Habits like food clothing language everything changes with the borders. There can be so many colors seen in our country when it comes to culture.