An Indian labourer works at a firecracker factory on the outskirts of Siliguri on October 27, 2010. Firecrakers are used as a part of celebrations for the Diwali festival. Kali worship takes place in the eastern Indian states, while Diwali 'the Festival of Lights', the largest Hindu festival of the year, will be celebrated simultaneously in northern India. AFP PHOTO/Diptendu DUTTA