An Indian newspaper vendor wears a mask whilst he sorts news papers on a road as heavy smog covers New Delhi on November 7, 2016. Schools in the Indian capital will be closed for the next three days, the Delhi state government said on November 6, as the city struggles with one of the worst spells of air pollution in recent years. (Photo by Sajjad Hussain/AFP Photo)





People walk inside the Ambedkar Memorial Park amidst heavy smog in Lucknow, India, November 7, 2016. (Photo by Pawan Kumar/Reuters)





A man wears a mask to protect himself from the pollution as he drives a motorbike in Delhi, India November 7, 2016. (Photo by Cathal McNaughton/Reuters)





A girl plays with a deflated balloon as she walks through smog in Delhi, India November 7, 2016. (Photo by Cathal McNaughton/Reuters)





A man wears a mask to protect himself from the pollution as he rides a motorbike in Delhi, India November 7, 2016. (Photo by Cathal McNaughton/Reuters)





A man wears a mask to protect himself from the pollution in Delhi, India November 7, 2016. (Photo by Cathal McNaughton/Reuters)





An auto rickshaw driver wears a mask to protect himself from the pollution in Delhi, India November 7, 2016. (Photo by Cathal McNaughton/Reuters)





A trader arrives with his camel at Pushkar Fair where animals, mainly camels, are brought to be sold and traded in the state of Rajasthan, India, November 7, 2016. (Photo by Himanshu Sharma/Reuters)





A trader arrives with his camels at Pushkar Fair where animals, mainly camels, are brought to be sold and traded in the state of Rajasthan, India, November 7, 2016. (Photo by Himanshu Sharma/Reuters)





Traders try to control a camel at Pushkar Fair where animals, mainly camels, are brought to be sold and traded in the state of Rajasthan, India, November 7, 2016. (Photo by Himanshu Sharma/Reuters)





A cyclist crosses a temporary bridge on the banks of the Ganges river in Allahabad, India, November 7, 2016. (Photo by Jitendra Prakash/Reuters)





A woman squats amongst the rubble of her home after a fire in a slum area left hundreds homeless in the old quarters of Delhi, India, November 8, 2016. (Photo by Cathal McNaughton/Reuters)





A woman feeds her baby amongst the rubble of her home after a fire in a slum area left hundreds homeless in the old quarters of Delhi, India, November 8, 2016. (Photo by Cathal McNaughton/Reuters)





People are pictured amongst the rubble of their home after a fire in a slum area left hundreds homeless in the old quarters of Delhi, India, November 8, 2016. (Photo by Cathal McNaughton/Reuters)





Members of Hindu Sena, a right-wing Hindu group, celebrate Republican presidential nominee Donald Trump's victory in the U.S. elections, in New Delhi, India, November 9, 2016. (Photo by Cathal McNaughton/Reuters)





A trader displays his camel during a camel decoration competition at Pushkar Fair, where animals mainly camels are brought to be sold and traded in the desert Indian state of Rajasthan, India, November 9, 2016. (Photo by Himanshu Sharma/Reuters)





A decorated camel performs a dance during a competition at Pushkar Fair, where animals, mainly camels, are brought to be sold and traded in the desert Indian state of Rajasthan, India, November 9, 2016. (Photo by Himanshu Sharma/Reuters)





People queue outside a branch of the State Bank of india to exchange old high denomination bank notes in Old Delhi, India, November 10, 2016. (Photo by Cathal McNaughton/Reuters)





A security guard hands out request slips for the exchange of old high denomination bank notes at a branch of the State Bank of india in Old Delhi, India, November 10, 2016. (Photo by Cathal McNaughton/Reuters)





A man argues with a police officer as people queue outside a branch of the State Bank of india to exchange old high denomination bank notes in Old Delhi, India, November 10, 2016. (Photo by Cathal McNaughton/Reuters)





A security guard reacts as people queue outside a bank to exchange old high denomination bank notes in Old Delhi, India, November 10, 2016. (Photo by Cathal McNaughton/Reuters)





A security guard stands guard outside a branch of the State Bank of india as people gathered to exchange old high denomination bank notes in Old Delhi, India, November 10, 2016. (Photo by Cathal McNaughton/Reuters)





Police patrol as people queue outside a branch of the State Bank of india to exchange old high denomination bank notes in Old Delhi, India, November 10, 2016. (Photo by Cathal McNaughton/Reuters)





A person stands with his documents in a queue outside a branch of the State Bank of india as people wait to exchange old high denomination bank notes in Old Delhi, India, November 10, 2016. (Photo by Cathal McNaughton/Reuters)





People wait for a bank to open in Lucknow, India, India, November 10, 2016. (Photo by Pawan Kumar/Reuters)





A cashier uses a machine to count 500 Indian rupee banknotes as customers wait in queues inside a post office in Lucknow, India, November 10, 2016. (Photo by Pawan Kumar/Reuters)





A security guard stands in front of a van carrying Indian currency outside a bank in Chandigarh, India, November 10, 2016. (Photo by Ajay Verma/Reuters)





A notice is pasted at a shop stating the refusal of the acceptance of the old 500 and 1000 Indian rupee banknotes and acceptance of the new 500 and 2000 Indian rupee banknotes, in Allahabad, India, November 10, 2016. (Photo by Jitendra Prakash/Reuters)





500 and 1000 Indian rupee banknotes are kept in front of an image of the Hindu deities at a cash counter inside a bank in Jammu, November 10, 2016. (Photo by Mukesh Gupta/Reuters)





A woman holds 500 and 1000 Indian rupee banknotes as she stands in a queue to deposit her money inside a bank in the northern city of Kanpur, India, November 10, 2016. (Photo by Adnan Abidi/Reuters)





Old high denomination bank notes are seen kept in buckets at a counter as people stand in a queue to deposit their money inside a bank in the northern city of Kanpur, India, November 10, 2016. (Photo by Adnan Abidi/Reuters)





People queue to deposit 500 and 1000 Indian rupee banknotes inside a bank in Allahabad, India November 11, 2016. (Photo by Jitendra Prakash/Reuters)





A man displays the new 2000 Indian rupee banknotes after withdrawing them from State Bank of India in Agartala, India November 11, 2016. (Photo by Jitendra Prakash/Reuters)





A woman exits a bank as people queue to exchange old high denomination bank notes at a bank in Old Delhi, India, November 11, 2016. (Photo by Cathal McNaughton/Reuters)





A woman exits a bank as people queue to exchange old high denomination bank notes at a bank in Old Delhi, India, November 11, 2016. (Photo by Cathal McNaughton/Reuters)





Riot police control people queueing to exchange old high denomination bank notes at a bank in Old Delhi, India, November 11, 2016. (Photo by Cathal McNaughton/Reuters)





Riot police control people queueing to exchange old high denomination bank notes at a bank in Old Delhi, India, November 11, 2016. (Photo by Cathal McNaughton/Reuters)





A man reads a newspaper outside a closed banking e-lobby with ATMs in Kolkata, India, November 12, 2016. (Photo by Rupak De Chowdhuri/Reuters)





A man casts his shadow on the ground as a dog sleeps inside an ATM counter in Kolkata, India, November 12, 2016. (Photo by Rupak De Chowdhuri/Reuters)





People rush inside a bank to exchange their old high denomination banknotes in Allahabad, India, November 12, 2016. (Photo by Jitendra Prakash/Reuters)





A man laughs as he shows his moustache during a competition at Pushkar Fair, where animals, mainly camels, are brought to be sold and traded in the desert Indian state of Rajasthan, India, November 12, 2016. (Photo by Himanshu Sharma/Reuters)





A tightrope walker performs on a rope while holding a balancing pole at Pushkar Fair, where animals, mainly camels, are brought to be sold and traded in the desert Indian state of Rajasthan, India, November 12, 2016. (Photo by Himanshu Sharma/Reuters)





A mahout leads an elephant calf to the river Tunga for bathing at the Sakrebailu Elephant Camp in Sakrebailu in the southern state of Karnataka, India, November 12, 2016. (Photo by Abhishek N. Chinnappa/Reuters)





Indian school children wear masks as they sit inside a school cab as schools re- open after three days of closure due to smog, in New Delhi on November 10, 2016. (Photo by Sajjad Hussain/AFP Photo)





Indian bank customers wait to deposit 500 and 1000 Indian currency notes at a bank in Amritsar on November 10, 2016. Long queues formed outside banks in India as they reopened for the first time since the government' s shock decision to withdraw the two largest denomination notes from circulation. (Photo by Narinder Nanu/AFP Photo)





Locals crowd outside a residential building used as a garment factory, which was gutted in a fire in the outskirts of New Delhi, India, Friday, November 11, 2016. The fire, that broke out at the garment factory basement, trapped and killed more than a dozen workers as they slept in the building. (Photo by Altaf Qadri/AP Photo)