Here's what lies ahead for Obama on Day 1 of his three-day visit:
Here's a recap of events that occurred in India in the past 24 hours.
Continuing to mount pressure on the government over the Telangana Bill, pro and anti-statehood Congress leaders are preparing to stage separate sit-ins in New Delhi on Wednesday when the special session of the Parliament starts.
French President Emmanuel Macron, accompanied by his wife Brigitte Marie-Claude Macron, besides senior ministers from his Cabinet, began their four-day visit to India by meeting Prime Minister Narendra Modi and President Ram Nath Kovind and his wife. On Friday night, Macron was received at the airport Prime Minister Modi in a special gesture. Here are glimpses from Macron's visit.
Tuesday's talks between Modi and Trump are likely to send across a clear message of growing congruence of interests between India and the US on major geopolitical developments in the region and beyond, particularly when China has been expanding its military and economic clout.
Prime Minister Narendra Modi met US President Barack Obama at the White House and the two heads of state enjoyed a dinner. Ministry of external affairs Syed Akbaruddin shared snippets from the dinner. Highlights from the Modi-Obama dinner:
An all-religion prayer was held at his samadhi in Rajghat, Delhi.
Anuj Choudhary, who won a silver medal at the Manchester Commonwealth Games, believes he is the most deserving candidate for the award this year.
'We have gathered the ECG details from different stages of Gandhiji's life and recreated his heartbeat on the digital medium. This will be a very interesting feature for the public,' says museum director A Annamalai.
In December last year, Amazon invested over Rs 1,700 crore into its payments and wholesale business units in India, while in October it had infused over Rs 4,400 crore (more than USD 600 million) in its various units in India, including marketplace and food retail. Bezos last visited India in 2014 when he presented Amazon's Indian unit with a giant cheque for USD 2 billion. Since then, Amazon has pledged a further USD 3.5 billion to expand in the country and the USD 1 billion investment announced on Wednesday would take the total committed investment to USD 6.5 billion.
Afghan President Dr Mohammad Ashraf Ghani will be paying a three-day state visit to India beginning on Monday, during which he would meet Prime Minister Narendra Modi and attend delegation-level talks.
Chinese President Xi Jinping received a guard of honour on Thursday in the forecourt of Rashtrapati Bhawan on Thursday.
He made a reference to the clash between Indian and Chinese troops in Ladakh's Galwan Valley in June this year. "What our jawans can do, what the country can do, the world has seen in Ladakh," he said.
Arvind Kejriwal on Wednesday visited the residence of the autorickshaw driver who had slapped him at a roadshow in Sultanpuri area of North-west Delhi and the Aam Aadmi Party leader said he has "forgiven" the man.
The journalist, who shot to fame for hurling a shoe at the then US president, calling him a dog, wants to fight corruption and rebuild Iraq. Muntadhar al-Zaidi speaks to Subhash K Jha.
She said each instance of a surgical strike has to treated on "case to case basis".
Barack Obama, who will be the first US president to be the chief guest at the Republic Day celebrations, will have a loaded itinerary with engagements ranging from political to economic and academic during his three-day trip beginning Sunday that will culminate with a visit to iconic Taj Mahal.
Ram Nath Kovind is the first Bharatiya Janata Party leader and second Dalit in Rashtrapati Bhavan.
Italian PM Paolo Gentiloni's visit is the first prime ministerial trip from Italy in more than a decade.
Modi said both sides expressed commitment for an open, efficient and rules-based regional architecture and to expand bilateral maritime cooperation further.
The man, who identified himself as 'Rambhakt Gopal', was subsequently overpowered by police and detained. The gunman went live on Facebook before the brandishing the gun.
The prime minister said that India has invited Germany to take advantage of opportunities in defence production in the defence corridors in Uttar Pradesh and Tamil Nadu.
What goes behind the scenes for an American President's visit?
The DCW chief had been demanding death penalty for rape of minors and setting up of fast-track courts across the country to try rape cases, along with other demands.
Commuters had a harrowing time as traffic came to a standstill in various parts of the city as sanitation workers blocked major thoroughfares such as NH 24 and Vikas Marg.
In a rare gesture, Prime Minister Narendra Modi and United States President Barack Obama visited the Martin Luther King Junior Memorial and paid homage to the leader of the African-American civil rights movement.
Delhi Chief Minister Arvind Kejriwal, who arrived along with his deputy Manish Sisodia, paid tributes to the Mahatma on his birth anniversary.
The leaders alleged that those who had no contribution in the freedom struggle wanted to spread fear 'in the name of nationalism', suppress the voice of people and were questioning the legacy of Congress.
This is the first time a woman officer has led the Guard of Honour.
US President Barack Obama told Prime Minister Narendra Modi, when the two met on the sidelines of the East Asia Summit in Myanmar in November 2014, how he barely had two years left to his presidential term and so much to do. The wish list included getting his daughters to see a tiger in the wild and the Taj Mahal.
'It can be said without hesitation that Rahul, Priyanka and Sonia Gandhi enjoy perfect relations of mother-daughter-son all together in the family.' 'But their worldview is different and their style of functioning is different and their favourites in the party are different people.'
Delhi continued to reel under massive traffic jams due to waterlogging as heavy rains lashed the city for second consecutive day on Saturday flooding several arterial roads and leaving commuters stranded for hours while exposing civic bodies' lack of preparedness to deal with the perennial problem.
Kumar will launch her campaign from Sabarmati Ashram in Gujarat on June 30.
No government bungalow in Delhi will henceforth be converted into any memorial, the Union Cabinet decided on Saturday, weeks after a row over Rashtriya Lok Dal chief Ajit Singh's demand for making his official residence a memorial of his father and former Prime Minister Charan Singh.
Traffic snarls were on Thursday reported from different parts of central and south Delhi after some roads were closed for the movement of Chinese President Xi Jinping, who is in India on a three-day trip.
The state government decided to rename the area at Girgaum Chowpatty where Tilak was cremated, as 'Swaraj Bhoomi'.
Hundreds of Congress workers on Monday clashed with the police during a protest against the BJP government's Land Acquisition Bill, saying it was anti-farmer.