External Affairs Ministry spokesperson Raveesh Kumar said that the two leaders discussed bilateral issues of mutual interest.
Finance Minister Mangala Samaraweera interrupted his speech in Parliament to offer congratulations to Prime Minister Modi.
Sri Lanka's president has ordered a complete ban on all face coverings including burqas in public spaces, calling them a “security risk”.
Sri Lankan investigators on Tuesday identified NTJ leader Zahran Hashimi as a key figure in the attacks but his whereabouts were not known.
Sri Lanka's Chief of Defence Staff Ravindra Wijeguneratne was remanded to custody for seven days by a court in Colombo over the cover-up of the murder of 11 men by another naval officer during 2008-09 war.
'Karunanidhi will be remembered for years of public service to the state.'