This Durga Puja, the city of Guwahati is decked up with puja pandals that have themes that range from the bizarre to the ingenious. Don’t be surprised if you come across the fantastical world 'Pandora' of James Cameron’s Avatar, ISRO's Chandrayaan or even the 'Ram Mandir' when you go visiting the Durga Puja pandals in the northeastern city.