An Indian family lights firecrackers during the festival of Diwali in New Delhi, India, on Nov. 13, 2012.

An Indian Border Security Force (BSF) soldier lights a candle inside a bunker as part of Diwali celebrations at the India-Bangladesh border on the outskirts of Agartala, India, on Nov. 13.

Pakistani Hindu revelers wave sparklers during Diwali in Karachi on Nov. 13.

A Pakistani Hindu girl holds an earthen lamp while decorating an area of her house to celebrate Diwali on Nov. 13 in Karachi, Pakistan.

An Indian man stands on his bicycle rickshaw after placing candles on it for good luck and fortune during the festival of Diwali in New Delhi, India, on Nov. 13.

Widows gather around a tulsi plant and light oil lamps to celebrate Diwali at a rest house run by a devotee in Bhubaneswar, India, on Nov. 13.

Policemen apply vermillion powder and perform rituals on a dog during the Tihar festival at a police kennel division in Kathmandu, Nepal, on Nov 13, 2012. Dogs are worshipped to acknowledge their role in providing security during the Tihar festival, one of the most important Hindu festivals dedicated to the worship of the Goddess of wealth Laxmi.

Hindu devotees worship offering food and 'Tika' red color to a cow during 'Gai Puja' cow worship day as part of the Tihar festival in Kathmandu, Nepal on November 13, 2012.

A cow stands decorated with vermillion powder and flower garland during Tihar festival in Kathmandu on Nov 13, 2012.

Police officers garland their dogs after applying vermillion to their foreheads on the occasion of the Tihar festival in Kathmandu on November 13, 2012.

A cow stands decorated with vermillion powder and a garland during Tihar festival celebrations in Kathmandu on Nov 13, 2012. Cows are considered sacred to Hindus.

A girl lights candles inside a cricket ground on the eve of Diwali, the Hindu festival of lights, in the northern Indian city of Allahabad on Nov. 12.

Buildings decorated with electric lights on the eve of Diwali, the Festival of Light in Calcutta, India, on Nov. 12. During Diwali the entire house is cleaned and new clothes are purchased for the whole family. This is followed by lighting oil lamps around the house and setting off firecrackers.

Indian people light traditational Chinese lanterns to celebrate eco friendly Diwali or Deepawali in Bangalore, India, Nov. 12. Hundreds of people took part in this event to celebrate the smoke free and eco friendly Diwali. Diwali the festival of lights will be celebrated in India on Nov. 13.

People light earthen lamps in a formation to form the shape of Hindu god Ganesh, the deity of prosperity, on the eve of Diwali, the Hindu festival of lights, in the northern Indian city of Chandigarh on Nov. 12. The letters in Hindi read, 'Happy Diwali.'