Volunteers remind commuters the reason for restriction placed on vehicle movement in New Delhi, India, Friday, April 15, 2016. The New Delhi government has begun a second round of a two-week car restriction whereby private cars will be allowed on the streets on alternate days from Friday until April 30 based on even or odd license plate numbers, to reduce air pollution that has made the Indian capital the world's most polluted city. (Photo by Saurabh Das/AP Photo)





A couple holds a child under the parasol of a watch tower against the backdrop of monsoon clouds on the outskirts of the southern Indian city of Bangalore in this August 11, 2014 file photo. (Photo by Abhishek N. Chinnappa/Reuters)





Labourers plant saplings in a paddy field on the outskirts of the eastern Indian city of Bhubaneswar in this July 19, 2014 file photo. (Photo by Reuters/Stringer)





Hindu devotees worship young girls dressed as Kumaris during rituals to commemorate Navratri festival inside Adyapith temple on the outskirts of Kolkata, India, April 15, 2016. (Photo by Rupak De Chowdhuri/Reuters)





A Hindu girl dressed as a Kumari sits as she is worshipped during rituals to commemorate Navratri festival inside Adyapith temple on the outskirts of Kolkata, India, April 15, 2016. (Photo by Rupak De Chowdhuri/Reuters)





The mother of young girls dressed as Kumari applies lip gloss on her daughter before the start of the rituals to commemorate Navratri festival at Adyapith temple on the outskirts of Kolkata, India, April 15, 2016. (Photo by Rupak De Chowdhuri/Reuters)





Hindu devotees worship young girls dressed as Kumaris during rituals to commemorate Navratri festival inside Adyapith temple on the outskirts of Kolkata, India, April 15, 2016. (Photo by Rupak De Chowdhuri/Reuters)





Hindu devotees worship young girls dressed as Kumaris during rituals to commemorate Navratri festival inside Adyapith temple on the outskirts of Kolkata, India, April 15, 2016. (Photo by Rupak De Chowdhuri/Reuters)





Young girls yet to attain puberty are dressed up as living goddesses before being worshipped as “kumari” or virgin during the Bengali Hindu festival of Basanti Durga puja performed in the spring in Kolkata, India, Friday, April 15, 2016. Worshipping kumaris or virgins on the ninth day or navami of the festival is an important ritual when they are worshipped as the base power of all creation. The more popular form of Durga festival is performed in autumn when the Hindu mythical figure Rama is said to have called upon goddess Durga to seek her blessings to defeat the evil character Ravana. (Photo by Bikas Das/AP Photo)





A man suffering from polio crawls outside a row of closed shops in Siliguri, India in this December 8, 2006 file photo. (Photo by Rupak De Chowdhuri/Reuters)





A Hindu devotee uses a cloth filter as he drinks water from the Ganges river on a hot summer morning in Allahabad, India, April 18, 2016. The temperature in Allahabad on Monday is expected to reach 43 degrees Celsius (109.4 degrees Fahrenheit), according to India's metrological department website. (Photo by Jitendra Prakash/Reuters)





A labourer stacks sacks of flattened rice on a handcart at a wholesale market in Kolkata, India, April 18, 2016. (Photo by Rupak De Chowdhuri/Reuters)





Labourers load cooking oil tins onto a supply truck at a wholesale market in Kolkata, India, April 18, 2016. (Photo by Rupak De Chowdhuri/Reuters)





A devotee gets into a trance during a religious procession dedicated to Goddess Mariamman in Mumbai, India, April 19, 2016. (Photo by Danish Siddiqui/Reuters)





A devotee with his mouth pierced with a trident speaks to another during a religious procession dedicated to Goddess Mariamman in Mumbai, India, April 19, 2016. (Photo by Danish Siddiqui/Reuters)





Devotees attend a religious procession dedicated to Goddess Mariamman in Mumbai, India, April 19, 2016. (Photo by Danish Siddiqui/Reuters)





A devotee gets his mouth pierced with a trident as others watch during a religious procession dedicated to Goddess Mariamman in Mumbai, India, April 19, 2016. (Photo by Danish Siddiqui/Reuters)





Devotees with their mouths pierced with tridents attend a religious procession dedicated to Goddess Mariamman in Mumbai, India, April 19, 2016. (Photo by Danish Siddiqui/Reuters)





A labourer drinks water as another looks on, on a hot summer day at a grain market in Chandigarh, India April 19, 2016. (Photo by Ajay Verma/Reuters)





A boy jumps into the Ganges river to cool off on a hot summer day in Kolkata, India, April 19, 2016. (Photo by Rupak De Chowdhuri/Reuters)





Labourers pull a rope as they lay a high voltage electricity cable underground along a roadside in Ahmedabad, India, April 19, 2016. (Photo by Amit Dave/Reuters)





A child sleeps in a hammock along a sidewalk on a hot summer day in Ahmedabad, India, April 19, 2016. (Photo by Amit Dave/Reuters)





A man sleeps in a traffic policeman's booth on a hot summer day in Kolkata, India, April 19, 2016. (Photo by Rupak De Chowdhuri/Reuters)





Relatives wail after the body of Kirpal Singh, an Indian prisoner who died in a Pakistan jail, was handed over to Indian authorities at Wagah border, on the outskirts of the northern city of Amritsar, India, April 19, 2016. (Photo by Munish Sharma/Reuters)





A man rides his rickshaw with passengers under a bridge in the old quarter of Delhi, India, April 19, 2016. (Photo by Adnan Abidi/Reuters)





A man bathes in the waters of river Yamuna during a hot summer day in the old quarter of Delhi, India, April 19, 2016. (Photo by Adnan Abidi/Reuters)





Young girls carry containers filled with drinking water beside the railway station in Agartala, India, April 20, 2016. (Photo by Jayanta Dey/Reuters)