NEW DELHI, Nov 2: Prime Minister Narendra Modi and Vice President C P Radhakrishnan on Sunday congratulated ISRO scientists on the successful launch of the heaviest communication satellite from Indian soil.

The prime minister’s remarks came soon after ISRO placed the 4,410 kg CMS-03 satellite in the Geosynchronous Transfer Orbit (GTO) using an LVM-3 rocket.

“Our space sector continues to make us proud! Congratulations ISRO on the successful launch of India’s heaviest communication satellite, CMS-03,” Modi said in a post on X.

Besides placing the satellite in the desired orbit, ISRO scientists also demonstrated the re-ignition of the thrust chamber of the C-25 cryogenic engine after it placed the satellite in the orbit.

The experiment will help ISRO restart the cryogenic stage and give

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