Prince William and Kate Middleton visited a charity working with street children and a boys' home in New Delhi, on the third day of their week-long tour of India and Bhutan. While visiting the facility run by the Salaam Baalak Trust, Kate drew this picture of a house:

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A picture of a house drawn by Kate Middleton at a children's centre in New DelhiDominic Lipinski

The royal couple also played a board game with the children and listened to what their hopes were for the future.

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The Duchess of Cambridge draws a picture during an arts class with street children in New DelhiDominic Lipinski
royal tour India
The royals receive a drawing at the centre for homeless childrenDominic Lipinski
royal tour India
The royals arrive at a centre that provides support for street children in New DelhiDominic Lipinski
royal tour India
Kate Middleton greets children at a centre that provides emergency help and long term support to homeless children in New DelhiDominic Lipinski
royal tour India
Prince William is pictured during his visit to a centre run by the charity Salaam Baalak, which provides emergency help and long term support to homeless children at New Delhi railway stationDominic Lipinski
royal tour India
William and Kate play a game of carrom with street children at a centre run by the charity Salaam Baalakin New DehliDominic Lipinski

The Duke and Duchess of Cambridge joined Indian Prime Minister Narendra Modi for a private lunch at a former palace in New Delhi. Kate wore a full-sleeved gauze green dress, while William donned a blue suit and Modi was clad neck-to-toe in white.

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India's Prime Minister Narendra Modi poses with Prince William and Kate MiddletonMoney Sharma/AFP
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The Duke and Duchess of Cambridge meet Prime Minister of India Narenda Modi in New Delhi's Hyderabad HouseDominic Lipinski
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Kate Middleton is pictured during a meeting with Indian Prime Minister Narenda Modi at Hyderabad House in New DehliDominic Lipinski

Kate and William then flew to a wildlife park in Assam state, north east India. They planned their visit to Kaziranga specifically to focus global attention on conservation. The park is home to the world's largest population of rare, one-horned rhinos as well as other endangered species including swamp deer and the Hoolock gibbon.

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Prince William and Kate Middleton are greeted with a ceremonial welcome as they arrive at Tezpur Airport in AssamDominic Lipinski
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The Duke and Duchess of Cambridge are pictured upon their arrival at Tezpur AirportDominic Lipinski
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The Duchess of Cambridge's PA and stylist Natasha Archer carries items of luggage as she arrives at Tezpur AirportDominic Lipinski
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Amanda Cook Tucker, the Duchess of Cambridge's hairdresser, arrives at Tezpur AirportDominic Lipinski
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Sophie Agnew, Assistant to the Duchess of Cambridge's Private Secretary, carries items of luggageDominic Lipinski

After visiting the park, the royal couple will fly to the neighbouring kingdom of Bhutan at the invitation of King Jigme Khesar Namgyel Wangchuck and Queen Jetsun Pema, often dubbed the Wills and Kate of the Himalayas.