Swaraj will call on Prime Minister Ranil Wickremesinghe and hold talks with Foreign Minister.
Only “king” has been replaced by Prime Minister Narendra Modi.
Swaraj has met the families six times in last nine months but yet failed to kindle any hope.
The official said maximum priority would be given to cases related to bringing back “mortal remains” of any national.
She was addressing a gathering of the Indian diaspora in Muscat, capital of Oman.
The conference was attended by the newly-appointed ICCR chief Lokesh Chandra who had famously compared Narendra Modi to God.
Indian national movement was deeply divided on how to deal with the World War-II and the rapidly shifting alliances among the great powers.
Swaraj along with Foreign Secretary S Jaishankar left this morning winding up her maiden visit to China.
Swaraj also said the RIC has supported a 1996 proposal tabled by India in the United Nations on countering terrorism.
Prime Minister Modi’s visit to China could be a step towards making a fraught relationship functional.
Xi said China and India have taken “solid steps” to make new progress in bilateral ties.
Both Swaraj and Lavrov would attend the trilateral foreign ministers meeting along with Chinese Foreign Minister Wang Yi.
Swaraj is on a four-day visit to China, met Wang ahead of her meeting with Chinese President Xi Jinping on Monday.
The 2nd India-China Media Forum is being attended by a number of journalists from the two countries.
Sushma Swaraj said she will be attending the Russia, India, China Foreign Ministers meet tomorrow.