"Trying to listen to your neighbours is not only unfriendly. It's an act of espionage."
Dubbed Sentinel-2B, the satellite will blast off on a Vega rocket from Europe's space port in Kourou.
Scientists burst into applause as the head of India's Space Research Organisation announced all the satellites had been ejected.
India is competing with other international players for a greater share of that launch market.
"Re-launching a rocket that has already delivered spacecraft to orbit is an important milestone."
Twenty-nine minutes after launch, the satellite Echo Star XVIII entered orbit.
Missile experts say North Korea appears to have repeated its earlier success in putting an object into space, rather than broken new ground.
Isolated North Korea says it has a sovereign right to pursue a space programme. But it is barred under U.N. Security Council resolutions from using ballistic...
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