Hi Mayank, Durga Puja is a big festival and celebrated with full enthusiasm in entire India. In west (Gujarat) it is celebrated in the from Dandiya & Garba Nights, In North as Navratri and in East (Bengal & Assam) as Durga Puja. The best celebrations are held in West Bengal (Kolkata) and other neighboring states. If you are from Delhi or NCR region, you can visit CR Park go get the feel of Kolkata's festive fever. You can visit pandals and dandiya night events in and around your native area. You can even head to other places nearby to your city//town.