India prepares to welcome Obama

A huge billboard welcoming US president Barack Obama goes up on Mumbai's promenade on the eve of his India visit Photograph: Indranil Mukherjee/AFP/Getty Images

Tourists feed pigeons at the landmark Gateway of India monument near the Taj Mahal Palace Hotel where Obama will stay during the Mumbai leg of his visit Photograph: Indranil Mukherjee/AFP/Getty Images

Indian Shia Muslims burn an effigy of Obama and the US national flag outside a mosque in the northern Indian city of Lucknow after Friday prayers Photograph: AFP/Getty Images

A boy stands on a US flag during a protest attended by hundreds of Shia Muslims in Lucknow ahead of Obama's visit Photograph: Pawan Kumar/Reuters

Demonstrators with placards participate in the Lucknow protest Photograph: Pawan Kumar/Reuters

Indian police men frisk Kashmiris during a surprise search operation in Srinagar, where violence has flared ahead of Obama's visit Photograph: Farooq Khan/EPA

Workers plant grass in the gardens surrounding Humayun's tomb in New Delhi. Obama is expected to visit the tomb during his tour of India Photograph: Saurabh Das/AP