"Congratulations to @isro scientists for time and again demonstrating top-notch skill, unparalleled dedication & remarkable determination," Modi tweeted.
"Our space programme keeps making us proud with the exemplary achievements. Successful launch of INSAT-3DR is a moment of immense joy," he added.
Today's mission, the 10th flight of GSLV, assumes significance for the Indian Space Research Organisation as it is the first operational flight of the rocket fitted with the indigenous cryogenic upper stage.
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