Modi spoke to External Affairs Minister Sushma Swaraj as well as Minister of State for External Affairs Gen (retd) V K Singh, who went to South Sudan to lead the operation, to congratulate them.
"The Prime Minister has welcomed all our Indian sisters & brothers who have returned from South Sudan," the PMO said.
"PM spoke to EAM @SushmaSwaraj ji & MoS @Gen_VKSingh ji & congratulated them for their efforts in rescuing Indians," it added in a tweet.
More than 146 Indians stranded in South Sudan's capital Juba were evacuated yesterday.
"Operation #SankatMochan Safely out of the danger zone. The first flight makes a technical halt at Entebbe, Uganda," V K Singh had tweeted last night.