New delhi

An Indian roadside traditional ear cleaner cleans the ear of a customer as other customer waits for his turn in New Delhi, India, 15 December 2015. There are hundreds of roadside traditional ear cleaners in India known as 'Kaan- saaf-waalah' who engaged in this profession without any professional qualification.

Rajat Gupta/EPA

An Indian roadside traditional ear cleaner cleans the ear of a customer as other customer waits for his turn in New Delhi, India, on Tuesday

An Indian Border Security Force

Money Sharma/AFP/Getty Images

An Indian Border Security Force (BSF) contingent marches during the BSF Golden Jubilee Day celebration in New Delhi on Tuesday

Indian security personnel detain activist

Prakash Singh/AFP/Getty Images

Indian security personnel detain activists of the Indian Youth Congress who were shouting slogans against the Narendra Modi-led National Democratic Alliance (NDA) government during a protest against intolerence in New Delhi on Monday

An Indian boy throws domestic garbage into the already polluted Yamuna river in New Delhi on October 23, 2015. Considered one of the holiest rivers in India, the Yamuna River has been dying a slow death from pollution for decades despite the investment of millions of dollars to preserve its ecosystem. According to the Central Pollution Control Board (CPCB) which monitors the water quality of the Yamuna in Delhi, seventy percent of the pollution in the river is from untreated sewage while the remaining thirty percent is from industrial sources, agricultural run-off and domestic garbage

Prakash Singh/AFP

An Indian boy throws domestic garbage into the already polluted Yamuna river in New Delhi on Friday. Considered one of the holiest rivers in India, the Yamuna River has been dying a slow death from pollution for decades despite the investment of millions of dollars to preserve its ecosystem

A driver stands in front of a Hindustan Motors Ltd. Ambassador taxi at a taxi stand in New Delhi, India. As cabs lured by app-based platforms proliferate in India, where car ownership is low and public transportation services in most cities and towns haven t kept pace with the needs of a growing population, drivers are facing stiffer competition for rides

Dhiraj Singh/Bloomberg

A driver stands in front of a Hindustan Motors Ltd. Ambassador taxi at a taxi stand in New Delhi, India

Indian Air Force soldiers march past the IAF C-17 Globemaster during Air Force Day parade at Hindon Air Force base near New Delhi, India, Thursday. Air Chief Marshal Arup Raha announced Thursday that the IAF would soon have women fighter pilots

Manish Swarup/AP

Indian Air Force soldiers march past the IAF C-17 Globemaster during Air Force Day parade at Hindon Air Force base near New Delhi, India, Thursday

An artist takes a break to smoke as he prepares idols of Hindu Gods and Goddesses for the upcoming Durga Puja festival in New Delhi, India, India, Wednesday, Oct. 7, 2015. The festival, to be celebrated from Oct. 19 to 22, commemorates the slaying of a demon king by lion-riding, ten armed goddess Durga, marking the triumph of good over evil.

Manish Swarup/AP

An artist takes a break to smoke as he prepares idols of Hindu Gods and Goddesses for the upcoming Durga Puja festival in New Delhi, India, India on Wednesday

A member of staff cleans the red carpet at the Hyderabad House of Indian Prime Minister Narendra Modi for a group picture after the third Indian-German intergovernmental consultations in New Dehli, India.

Kay Nietfeld/EPA

A member of staff cleans the red carpet at the Hyderabad House of Indian Prime Minister Narendra Modi for a group picture after the third Indian-German intergovernmental consultations in New Delhi, India.

A homeless Indian man sits at a traffic intersection in the morning in New Delhi, India, Wednesday, Sept. 30, 2015. Hundreds of millions of Indians still live on less than $2 a day. The United Nations global goals for sustainable development in the next fifteen years, seeks to end poverty in all its forms everywhere

Bernat Armangue/AP

A homeless Indian man sits at a traffic intersection in the morning in New Delhi, India, Wednesday. Hundreds of millions of Indians still live on less than $2 a day

Indian police detain a Youth Congress activist after they storm a barricade during a protest against the Bhartiya Janta Party (BJP) led Government near parliament house in New Delhi, India, 22 July 2015. Members of Indian Youth Congress protested against the Ministers of BJP led Government for their alleged involvement in various scams including the recruitment racket in Vyapam or the Madhya Pradesh Professional Examination Board and helping former cricket official, Lalit Modi

Harish Tyagi/EPA

Indian police detain a Youth Congress activist after they storm a barricade during a protest against the Bhartiya Janta Party (BJP) led Government near parliament house in New Delhi, India on Wednesday. Members of Indian Youth Congress protested against the Ministers of BJP led Government for their alleged involvement in various scams including the recruitment racket in Vyapam or the Madhya Pradesh Professional Examination Board and helping former cricket official, Lalit Modi

A Muslim man rests as he waits to offer evening prayers and to break his fast during the holy month of Ramadan at the ruins of the Feroz Shah Kotla mosque in New Delhi...A Muslim man rests as he waits to offer evening prayers and to break his fast during the holy month of Ramadan at the ruins of the Feroz Shah Kotla mosque in New Delhi July 14, 2015. REUTERS/Anindito Mukherjee        TPX IMAGES OF THE DAY

Anindito Mukherjee/Reuters

A Muslim man rests as he waits to offer evening prayers and to break his fast during the holy month of Ramadan at the ruins of the Feroz Shah Kotla mosque in New Delhi

Indian yoga practitioners participate in a full dress rehearsal for International Yoga Day in New Delhi on Friday

Prakash Singh/AFP

Indian yoga practitioners participate in a full dress rehearsal for International Yoga Day in New Delhi on Friday

An Indian Sadhu (holy man) prays on the ...An Indian Sadhu (holy man) prays on the roadside in New Delhi on June 1, 2015.

Sajjad Hussain/AFP

An Indian Sadhu (holy man) prays on the roadside in New Delhi on Monday

An Indian man sleeps on the roof of his house at a shanty area in New Delhi, India, Monday, April 20, 2015. While hundreds of millions of Indians remained mired in poverty, the International Monetary Fund recently said it expects India s economy to grow by 7.5 percent in 2015, its strongest growth in five years.

Bernat Armangue/AP

An Indian man sleeps on the roof of his house at a shanty area in New Delhi, India, on Monday

Indian commuters walk in an underpass connecting their neighborhood with a main thoroughfare past a train station in the early hours of the morning in New Delhi on March 10, 2015.  According to a report from the United Nations India's urban population numbers some 410 million people and this will grow to 814 million by 2050. The report from 2014 also states that India is projected to add the highest number of people to its urban population by 2050, ahead of China

Roberto Schmidt/AFP

Indian commuters walk in an underpass connecting their neighbourhood with a main thoroughfare past a train station in the early hours of the morning in New Delhi on Tuesday. According to a report from the UN, India’s urban population numbers some 410m people and this will grow to 814m by 2050

An Indian newspaper vendor ties newspapers on his bicycle early in the morning at the old city area of New Delhi, India, Friday, Feb. 27, 2015. Old Delhi despite of being extremely crowded and dilapidated still serves as the symbolic heart of the city.

Bernat Armangue/AP

A vendor ties newspapers on his bicycle early in the morning in New Delhi, India on Friday

An Indian labourer loads unbaked clay bricks on a horse-drawn cart to deliver them to a brick kiln in Sahibabad on the outskirts of New Delhi on Friday

Prakash Singh/AFP

An Indian labourer loads unbaked clay bricks on a horse-drawn cart to deliver them to a brick kiln in Sahibabad on the outskirts of New Delhi on Friday

An Indian passer-by feeds an elephant, which is hired for weddings and parties, on the banks of the river Yamuna in New Delhi on February 6, 2015.

Money Sharma/AFP

An Indian passerby feeds an elephant, hired out for weddings and parties, on the banks of the river Yamuna in New Delhi on Friday

Indian soldiers march during the full dress rehearsal for the Republic Day parade in New Delhi January 23, 2015. India's capital will turn into a virtual fortress for U.S. President Barack Obama's visit this weekend, with heightened security measures, including an extended no-fly zone, to protect the world's most powerful leader. Indian Prime Minister Narendra Modi, Obama and other dignitaries from the world's two largest democracies will attend India's Republic Day celebrations on January 26, which include a military parade and display of Indian weaponry. REUTERS/Adnan Abidi (INDIA - Tags: MILITARY ANNIVERSARY POLITICS)

Adnan Abidi/Reuters

Indian soldiers march during the full dress rehearsal for the Republic Day parade in New Delhi. India‘s capital will turn into a virtual fortress for U.S. President Barack Obama‘s visit this weekend, with heightened security measures, including an extended no-fly zone, to protect the world’s most powerful leader. Indian Prime Minister Narendra Modi, Obama and other dignitaries from the world’s two largest democracies will attend India’s Republic Day celebrations on Monday, which include a military parade and display of Indian weaponry.

Indian soldiers practice a march ahead of Republic Day parade in New Delhi, India, Wednesday, Jan. 21, 2015. U.S. President Barack Obama will be the "chief guest" at this year's parade, marked annually on Jan. 26.

Saurabh Das/AP

Soldiers practice ahead of the Republic Day parade in New Delhi, India, on Wednesday. US President Barack Obama will be the chief guest at the annual event.