The space agency launched 104 satellites, breaking the previous record of 37 by Russia.
Thursday's launch is the last one of 2020 for ISRO.
The landing on the moon near the South Pole, an uncharted territory so far, would be on September 6 or 7, Sivan told reporters, as the Indian space agency is all set to embark on its most complex mission.
ISRO is focusing on more launches including that of a communication satellite from French Guiana next month.
'We have all the technologies available, but it should be converted to something that can be commercially viable.'
The first Gaganyaan flight scheduled for 2022 will carry three astronauts, who will be picked from among the test pilots in the armed forces.
The final countdown for India's historic Mars mission kicked off at 6.08 am today.
However, some of the provisions in the draft Bill needs scrutiny, as these could scare away international investors
The ISRO team worked tirelessly to make the Mars mission a success
The Vikram Moon Lander, named after the father of India's space mission Vikram Sarabhai on his birth centenary year, is scheduled to touch the lunar surface near its south pole on September 7 about 1.55 am.
ISRO hopes to put a crew on the moon, but it has to learn how to keep people alive and healthy in space first.
The Supreme Court Thursday ordered that the report of a high-level committee on the role of erring police officials in the 1994 espionage case relating to Indian Space Research Organisation scientist Nambi Narayanan be given to the Central Bureau of Investigation and directed the agency to conduct further investigation on the issue.
India's maiden mission to Mars has traversed beyond the sphere of influence of Earth extending about 9,25,000 km in its 10-month long voyage to the red planet.
The countdown began at 6.27 am for the launch on board ISRO's third generation workhorse Polar Satellite Launch Vehicle, in its 47th flight, ISRO said.
"Progressively, you can imagine that it becomes that much more difficult, with each passing hour, the available power on the battery gets drained out, and there won't be anything left for it to power and operate", an ISRO official said.
The FAC found that the failure happened when the Geosynchronous Satellite Launch Vehicle rocket's cryogenic engine was to kick in to take the rocket forward.
Around 23 minutes after lift-off, the primary satellite got separated and it was followed by six other co-passenger satellites, which were deployed into the intended orbits sequentially, ISRO said.
India scripted history as the ambitious third Moon mission of the Indian Space Research Organisation (ISRO) touched down on the Moon's south pole, propelling the country to an exclusive club of four and making it the first nation to land on the uncharted surface.
Friday's mission is the fourth operational flight of LVM3 which aims to launch the Chandrayaan-3 spacecraft into a Geo Transfer Orbit.
Indian Space Research Organisation's Mars Orbiter, which was placed in inter-Mars trajectory in the early hours on Sunday, has crossed Moon's orbit and is travelling beyond Earth's natural satellite.
This is ISRO's new record of launching 20 satellites, including those from the US, Germany, Canada and Indonesia.
NASA posted images clicked by its Lunar Reconnaissance Orbiter camera, showing the site's changes on the Moon and the impact point before and after the spacecraft had made a hard-landing on the lunar surface.
Arianespace launch vehicle Ariane-5 VA-231, carrying GSAT-18 along with co-passenger Sky Muster II for the Australian operator nbn (National Broadband Network) was scheduled for launch at 2am on Wednesday.
'China pumps in a lot more money than what we do. China's space budget is close to $5 billion while it is hardly $1 billion for us.' 'We manage the programmes within the constraints of our budget. The main difference is we prioritise.'
"I remember Chandrayaan-2's launch was earlier scheduled on July 15. I was there in Sriharikota. I saw the massive carrier, 'Bahubali', from close proximity.
Her comments came amid the ongoing war of words between India and Pakistan ever since India withdrew Jammu and Kashmir's special status and bifurcated it into two union territories on August 5.
'There's nothing like failure in science, we experiment & we gain'
"It is going to be the most complex mission ever undertaken by ISRO. It is going to take place between July 9 and 16, this year," Sivan said, addressing scientists from the Mission Control Centre.
Nerves gave way to smiles at the spaceport in Sriharikota as delays and an anomaly-triggered 'hold' forced Indian Space Research Organisation (ISRO) scientists to revise the launch schedule of a test vehicle carrying payloads related to the country's ambitious human space flight mission, Gaganyaan which soared into skies after initial hiccups.