26th January – Republic Day. The constitution of India came into force on 26th January 1950.
28th February or 1st March – Ramadan Start.
14th March – Holi
30th or 31st March – Eid-ul-Fitr
18th April – Good Friday
15th August – Independence Day
26th August – Ganesh Chaturthi
2nd October – Gandhi Jayanti
20th October – Diwali