Also read: Highlights of Barack Obama's three-day visit
"Thank you @NarendraModi for a memorable visit, and to the Indian people for their warm welcome. #India -bo," said a tweet by the White House.
Obama, along with wife Michelle, was on a three-day visit to India that concluded on Tuesday.
He was the chief guest at the 66th Republic Day parade here. Obama addressed 2000 people at the Siri Fort auditorium today where he interacted with the members of the audience after his speech.
Meanwhile, PM Narendra Modi too tweeted and bid farewell to Obama.
Farewell @WhiteHouse! Your visit has taken India-USA ties to a new level & opened a new chapter. Wish you a safe journey.— Narendra Modi (@narendramodi) January 27, 2015
As for the rainy day yesterday, as you yourself said @WhiteHouse today morning, Bade Bade Deshon Mein... :)— Narendra Modi (@narendramodi) January 27, 2015