Prime Minister Narendra Modi on Saturday offered prayers at the Mahabodhi tree in Anuradhapura city of Sri Lanka.
He arrived in Anuradhapura earlier in the day from Colombo.
"PM @narendramodi offering prayers," PMO India tweeted with a picture and video footage.
"Common reverence. PM @narendramodi & Prez Sirisena at Sri Mahabodhi tree in Anuradhapura," India's external affairs ministry tweeted.
He will also visit Jaffna.
Modi is the first Indian prime minister to make a bilateral visit to Sri Lanka after 1987.