An Indian girl chews her doll as she leaves her home to play at a slum in New Delhi, India, Wednesday, May 20, 2015. (Photo by Saurabh Das/AP Photo)

An Indian girl reacts as she studies in an informal school for children at a slum in New Delhi, India, Wednesday, May 20, 2015. Most of the children who do not go to formal schools are given very basic education and trained to count at the school. (Photo by Saurabh Das/AP Photo)

A Hindu holy man gives bath to a domestic elephant on a summer day in Jammu, India, Monday, May 18, 2015. (Photo by Channi Anand/AP Photo)

An elderly Kashmiri Bakarwal woman leads a heard of horse near Peer Ki Gali, 80 kilometers (50 miles) south of Srinagar, India, Wednesday, May 20, 2015. Bakarwals are nomadic herders of India's Jammu-Kashmir state who wander in search of good pastures for their cattle. Every year in April-May more than one hundred thousand people from the nomadic Bakarwal tribes arrive in the meadows of Kashmir and parts of Ladakh from areas of the Jammu region with their flocks of cattle and sheep. After crossing snowy mountains with their cattle and belongings, Kashmir valley's lush green meadows become their home from April to September, after which they begin their return journey. This seasonal shifting of “homes” ensures a regular flow of income for the families. (Photo by Dar Yasin/AP Photo)

Kashmiri nomads rest on the side of a hillock near Dubgan, 70 kilometers (43 miles) south of Srinagar, India, Wednesday, May 20, 2015. (Photo by Dar Yasin/AP Photo)

Indian Hindu women tie threads around a banyan tree to seek prosperity and longevity for their husbands on Somvati Amavasya in New Delhi, India, Monday, May 18, 2015. Somvati Amavasya is the no moon day that falls on a Monday in a traditional Hindu lunar calendar. (Photo by Tsering Topgyal/AP Photo)

Hindu women devotees offer prayers to a peepal tree on Somvati Amavasya in Allhabad, India, Monday, May 18, 2015. (Photo by Rajesh Kumar Singh/AP Photo)

Indian Hindu women pray near a Banyan tree to seek prosperity and longevity for their husbands on Somvati Amavasya in New Delhi, India, Monday, May 18, 2015. (Photo by Tsering Topgyal/AP Photo)

An Indian Hindu woman ties a thread around a banyan tree to seek prosperity and longevity for her husband on Somvati Amavasya in New Delhi, India, Monday, May 18, 2015. (Photo by Tsering Topgyal/AP Photo)

Hindu women offer prayers to a peepal tree on Somvati Amavasya in Allhabad, India, Monday, May 18, 2015. (Photo by Rajesh Kumar Singh/AP Photo)

Tanzeem, left, a Kashmiri Bakarwal girl prepares tea as her sister Zaida, center, and brother Ashraf Khan watch near a temporary camp at Hirpora, some 65 kilometers (40 miles) south of Srinagar, India, Wednesday, May 20, 2015. (Photo by Dar Yasin/AP Photo)

A man carries his children to take a dip in the river Ganges on Somvati Amavasya, or no moon day, in Allahabad, India, Monday, May 18, 2015. (Photo by Rajesh Kumar Singh/AP Photo)

Hindu devotees gather on the banks of the River Ganges to take holy dips on the auspicious occasion of Somvati Amavasya in Haridwar, India, Monday, May 18, 2015. Somvati Amavasya is the no moon day that falls on a Monday in a traditional Hindu lunar calendar. It is a rare occurrence in a year and is considered highly auspicious. (Photo by Sandeep Sharma/AP Photo)

Indian Hindu devotees help bathe an elderly woman as they perform rituals in the the river Ganges on Somvati Amavasya, or no moon day, in Allahabad, India, Monday, May 18, 2015. (Photo by Rajesh Kumar Singh/AP Photo)

A sports merchandise vendor stands inside his flooded shop during a rain shower in Agartala, India, May 11, 2015. This year, rains in India are expected to be 93 percent of a long-term average, Earth Science Minister Harsh Vardhan said last month, after releasing the India Meteorological Department's forecast. (Photo by Jayanta Dey/Reuters)

Men ride on a motorcycle through a flooded street during a rain shower in Agartala, India, May 11, 2015. (Photo by Jayanta Dey/Reuters)

A girl plays on a swing suspended from a tree on a hot summer day in New Delhi, India, May 11, 2015. (Photo by Anindito Mukherjee/Reuters)

Slum dwellers carry drinking water containers which they filled from a water tanker provided by the state-run Delhi Jal (water) Board on a hot summer day in New Delhi, India, May 11, 2015. (Photo by Anindito Mukherjee/Reuters)

Slum dwellers carry drinking water containers which they filled from a water tanker provided by the state-run Delhi Jal (water) Board on a hot summer day in New Delhi, India, May 11, 2015. Temperature in Delhi on Monday reached 42.3 degree Celsius (108.14 degree Fahrenheit), according to India's metrological department website. (Photo by Anindito Mukherjee/Reuters)

Women cover themselves as they walk on the banks of the river Ganges during a dust storm in Allahabad, India, May 12, 2015. (Photo by Jitendra Prakash/Reuters)

Children play on a dead tree outside their homes in New Delhi, India May 13, 2015. (Photo by Adnan Abidi/Reuters)

A rickshaw puller takes rest in front of the closed door of a house in the old quarters of Delhi, India, May 13, 2015. (Photo by Anindito Mukherjee/Reuters)

Children react to the camera as they play outside their homes in New Delhi, India May 13, 2015. (Photo by Adnan Abidi/Reuters)

India's Central Reserve Police Force (CRPF) personnel take part in their passing out parade in Humhama, on the outskirts of Srinagar, May 14, 2015. A total of 341 new policemen were formally inducted into the force after they completed a 44-week training course and will be deployed in different parts of India, a CRPF official said. (Photo by Danish Ismail /Reuters)

India's Central Reserve Police Force (CRPF) personnel take part in a drill during their passing out parade in Humhama, on the outskirts of Srinagar, May 14, 2015. (Photo by Danish Ismail/Reuters)

A sack of rotten wheat is pictured against the backdrop of a labourer removing dust from a heap of wheat sacks at a wholesale grain market in Punjab, India, May 6, 2015. Just one year after taking office, Prime Minister Narendra Modi is facing a challenge that could come to haunt him – the farm sector that sustains three-fifths of the population is in deep trouble, and he is being blamed for not doing enough. (Photo by Ajay Verma/Reuters)

A labourer loads a bundle of wheat husk in a tractor-trolley at a field in Punjab, India, May 6, 2015. Picture taken on May 6, 2015. (Photo by Ajay Verma/Reuters)

Labourers unload sacks filled with wheat from a truck at the Punjab State Civil Supplies Corporation Limited (PUNSUP) godown at a wholesale grain market in Punjab, India, May 6, 2015. (Photo by Ajay Verma/Reuters)

A worker eats a banana while sitting amid empty oil containers at a recycling yard in Kolkata, India, May 15, 2015. (Photo by Rupak De Chowdhuri/Reuters)

A boy walks on the tracks at a railway station in New Delhi, India, May 17, 2015. (Photo by Adnan Abidi/Reuters)

A cycle rickshaw puller sleeps on his parked rickshaw at a street in New Delhi, India, May 17, 2015. (Photo by Adnan Abidi/Reuters)

A Hindu priest holds an oil lamp as he prays during a ritual known as Aarti on the occasion of Somvati Amavasya on the banks of the Ganges river in Allahabad, India, May 18, 2015. Hindu devotees pray for the souls of their departed ancestors during the occasion. (Photo by Jitendra Prakash/Reuters)

A health worker (R) weighs a child under a government program in New Delhi, India, May 7, 2015. (Photo by Anindito Mukherjee/Reuters)

A student holds his tiffin box while standing in a queue to receive free mid-day meal being distributed by municipal workers at a government school in New Delhi, India, May 6, 2015. (Photo by Anindito Mukherjee/Reuters)

A student eats his free mid-day meal distributed by municipal workers at a government school in New Delhi, India, May 6, 2015. (Photo by Anindito Mukherjee/Reuters)

A health worker (R) weighs a child under a government program in New Delhi, India, May 7, 2015. As Prime Minister Narendra Modi completes one year in office, his cuts in federal welfare spending on the poorest of India's 1.25 billion people are coming in for sharp criticism, including from within his cabinet. (Photo by Anindito Mukherjee/Reuters)

Mayank Pareek, President of Tata Motors' Passenger Vehicle Business Unit (PVBU), drives the company's new “GenX Nano” car during its launch in Mumbai, India, May 19, 2015. The new version of the Nano comes with a starting price of 199,000 rupees ($3,127.21) and other Automated Transmission Mode (AMT) variants are priced up till 289,000 rupees ($4,541.52), ex-showroom Delhi, a media release said. (Photo by Shailesh Andrade/Reuters)

A photographer takes pictures of Tata Motors' new “GenX Nano” car during its launch in Mumbai, India, May 19, 2015. (Photo by Shailesh Andrade/Reuters)

The worker of an ice factory loads an ice bar onto a truck to supply to a market on a hot summer day on the outskirts of Ahmedabad, India, May 19, 2015. Temperatures in Ahmedabad on Tuesday reached 44 degrees Celsius (111.2 degrees Fahrenheit), according to India's meteorological department website. (Photo by Amit Dave/Reuters)

A Hindu priest performs a ritual to give blessings to Kavaratti, an anti-submarine warfare corvette for the Indian Navy built by Garden Reach Shipbuilders & Engineers Ltd. (GRSE), a warship manufacturing company, during its launch at a dockyard in Kolkata, India, May 19, 2015. (Photo by Rupak De Chowdhuri/Reuters)

A girl lies in a hammock at a slum area in New Delhi, in this April 12, 2015 file photo. (Photo by Adnan Abidi/Reuters)

A mahout splashes water on his elephant in the river Sabarmati on a hot summer day in Ahmedabad, India, May 20, 2015. (Photo by Amit Dave/Reuters)

Indian women adjust their clothes during a sudden dust storm in New Delhi, India, 19 May 2015. (Photo by EPA/Stringer)

An Indian youth sits in a special chartered train bound for Patna, at the Bandra railway station in Mumbai, India, 18 May 2015. He is one of a group, consisting of 20 child laborers and nine missing children, which were rescued by the NGO “My Home India” and Indian police forces in raids against employers ignoring a nationwide ban on child labour. Media reports state that Indian police have freed more than 400 child larorers from various factories in Hyderabad and is now reuniting them with their families. (Photo by Divyakant Solanki/EPA)

Indians cover their faces during a brief dust storm in New Delhi, India, Tuesday, May 19, 2015. Heat wave continued in many parts of northern Indian even as capital Delhi witnessed a brief storm on Tuesday bringing temporary relief from the heat. (Photo by Altaf Qadri/AP Photo)

A woman kisses the forehead of her grandson after he was inducted as a soldier of the Indian Central Reserve Police Force (CRPF) at a base camp on the outskirts of Srinagar, Indian controlled Kashmir, Thursday, May 14, 2015. More than three hundred new CRPF soldiers will join the Indian security men fighting separatist Islamic guerrillas in Kashmir and Maoist rebels in different parts of India. (Photo by Dar Yasin/AP Photo)

An Indian girl waits for customers as she sells toys at a slum in New Delhi, India, Wednesday, May 20, 2015. A 2013 census report with India's first complete count of its vast slum population says one in six people in Indian cities live in some 100,000 sprawling slums with conditions “unfit for human habitation”. (Photo by Saurabh Das/AP Photo)

An Indian child jumps into the water of a baoli, or a step-well, at the Nizamuddin Dargah in New Delhi on May 13, 2015. Temperatures in the Indian national capital are rising as the summer season begins. (Photo by Money Sharma/AFP Photo)