American officials took stock of security arrangements in Agra on Friday ahead of President Barack Obama's January 27 visit to the city to see the Taj Mahal.
Security has also been stepped up along the international border between India and Pakistan and in capital New Delhi in anticipation of President Obama's visit.
President Obama will arrive in New Delhi on January 25 to take part in this year's Republic Day celebrations on the invitation of Prime Minister Narendra Modi.
He will be the first U.S. President to attend a Republic Day celebration, the White House said.
Obama, who visited India in 2010, would also be the first U.S. president to visit the country twice while in office.
Obama's participation at Republic Day celebrations as chief guest is a sign of steadily expanding ties between the two countries that share concerns about China's growing power in Asia.
More From This Section
India traditionally invites a head of state to participate as chief guest for Republic Day celebrations, which culminates in a military parade including its nuclear capable missiles.
Prime Minister Modi met President Obama on a visit to the United States in September last year and they have spoken by telephone since.
Array
Their relationship is thought to have helped resolve a major trade spat in the World Trade Organization.