The Obamas in India

Barack and Michelle Obama in Mumbai at the start of their Indian tour Photograph: Charles Dharapak/AP

Barack and Michelle Obama in Mumbai at the start of their Indian tour Photograph: Charles Dharapak/AP

The Obamas at a memorial inside the Taj Mahal Palace and Tower hotel for victims of the 26 November 2008 Mumbai terror attack Photograph: Charles Dharapak/AP

The Obamas' handwritten note in a visitors' book at the Mumbai memorial Photograph: Jason Reed/Reuters

Obama waves to photographers from backstage as he waits to speak at the US-India business council and entrepreneurship summit in Mumbai Photograph: Jason Reed/Reuters

Barack Obama meets members of the audience at the business council and entrepreneurship summit Photograph: Jason Reed/Reuters

Michelle Obama meets underprivileged children enrolled in an academic programme at Mumbai University Photograph: Danish Siddiqui/Reuters

Michelle Obama plays hopscotch with children at Mumbai University Photograph: Rajanish Kakade/AP

Michelle Obama plays music with children at Mumbai University Photograph: Punit Paranjpe/AFP

Michelle Obama hugs children at Mumbai University Photograph: Rajanish Kakade/AP

Barack Obama and Michelle Obama with the Indian Prime Minister, Manmohan Singh and his wife Gursharan Kaur on their arrival at Delhi Airport Photograph: India Press Information Bureau/EPA

Barack Obama speaks during a town hall meeting with students at St Xavier's College in Mumbai Photograph: Pablo Martinez Monsivais/AP

Barack Obama and Michelle Obama visit a classroom during their visit to the Holy Name High School in Mumbai Photograph: Jason Reed/Reuters

First Lady Michelle Obama dances with school students to Koli music during Diwali celebrations in Mumbai Photograph: -/EPA

Barack Obama and Michelle Obama visit Humayun's Tomb in New Dehli Photograph: Jim Watson/AFP/Getty Images

Barack Obama and Michelle Obama at Humayun's Tomb in New Dehli Photograph: Jason Reed/Reuters

Barack Obama bends down to shake hands with a young child on a visit to Humayun's Tomb in New Dehli Photograph: Jim Watson/AFP/Getty Images

1984 Bhopal Gas survivors hold placards and shout slogans during a protest in New Delhi urging Barack Obama to hold US corporation Dow Chemicals accountable Photograph: Manan Vatsyayana/AFP/Getty Images

President Barack Obama and Michelle Obama help lay a wreath at Raj Ghat in New Delhi, the memorial to independent leader Mahatma Gandhi Photograph: Jim Watson/AFP/Getty Images

Activists of Socialist Unity Centre of India (Communists) in Ahmedabad, Gujarat state, stage a protest against Barack Obama's visit Photograph: Divyakant Solanki/EPA

Michelle Obama speaks to students during a visit to the National Handicrafts and Handloom Museum in New Delhi Photograph: Mustafa Quraishi/AP

Barack Obama shakes hands with Indian President Pratibha Patil after a speech during an official ceremony in New Dehli Photograph: Jim Watson/AFP/Getty Images

President Barack Obama inspects a guard of honour during an official ceremony at Rashtrapati Bhavan in New Delhi Photograph: Jim Young/Reuters

President Barack Obama and the Indian prime minister, Manmohan Singh, at a joint press conference at Hyderabad House in New Delhi Photograph: Prakash Singh/AFP/Getty Images

Socialist activists in Kolkata burn an effigy of Barack Obama in protest against his visit to India Photograph: Bikas Das/AP

Activists of Communist Party of India (Marxist) try to break through a police cordon in New Delhi Photograph: Gurinder Osan/AP

Activists in New Delhi from the Communist Party of India (Marxist-Leninist) burn an effigy representing "US Imperialism" during a protest against President Barack Obama's visit to India Photograph: Adnan Abidi/Reuters