ISRO said, initially the launch was slated for 9.49 am, but now there is a 3-minute delay owing to the probability of space debris in the path of rocket.
ISRO is part of an exclusive league which has forayed into the Moon and Sun.
India's ambitious space mission to explore planet Mars would be launched on November 5 from the spaceport of Sriharikota, ISRO announced on Tuesday.
On Thursday, the four-stage, 44.4 metre tall PSLV-C53 that blasted off from the second launch pad of Satish Dhawan Space Centre and placed the three Singapore satellites--DS-EO, NeuSAR and SCOOB-1 in intended orbit.
It was a euphoric moment for students of the College of Engineering in Pune as the academic satellite developed by them -- Swayam -- was on Wednesday successfully placed in orbit along with 19 others.
Some abandoned boats have been recovered in the Sir Creek area, Lt Gen S K Saini, GOC-in-C of the Army's Southern Command, told reporters at an event near Pune.
The SSLV is designed to be affordable and amenable to industry production and aimed to function as a launch-on-demand platform for mini, micro or nano satellites.
Bharti group-backed OneWeb and New Space India Limited, the commercial arm of the Indian Space Research Organisation, have entered into an agreement that will help ensure OneWeb completes its satellite launch programme. The first launch with New Space India is expected in 2022 from the Satish Dhawan Space Centre (SDSC) SHAR, Sriharikota. The launches will add to Low Earth Orbit (LEO) satellite communications firm OneWeb's total in-orbit constellation of 428 satellites -- 66 per cent of the planned total fleet -- to build a global network that will deliver high-speed, low-latency connectivity.
In its first multi-orbital launch, India's workhorse PSLV will on Monday inject eight different satellites, including the country's weather satellite SCATSAT-1 and five from other nations, into two different orbits.
The 3,423 kg GSAT-29 carries Ka and Ku band high throughput transponders intended to meet the communication requirements of users, including in the North East and in Jammu and Kashmir.
The Trans-Lagrangian Point 1 Insertion manoeuvre marks the beginning of the spacecraft's about 110-day trajectory to the destination around the L1 Lagrange point, a balanced gravitational location between the Earth and the Sun.
The ISRO is strengthening 'eye in the sky', which helped the Indian army carry out surgical strikes last year, with the launch.
The Propulsion Module (PM) of Chandrayaan-3 has been moved from an orbit around the Moon to an orbit around Earth, the Indian Space Research Organisation (ISRO) has said, terming the operation a unique experiment.
Countdown began on Thursday for the launch of the latest navigation satellite that will make India on par with the GPS of the US.
'One remembers Professor Rao with fondness as the man who gave the space programme a very professional front face, a very different appearance from the raw energy of a Vikram Sarabhai or the polished passion of a Dr Satish Dhawan.'
Crossing a major milestone in the country's space history, ISRO's Mars Orbiter mission ventured out of Earth's sphere of influence for the first time in an attempt to reach the red planet's orbit
ISRO chairman S Somanath on Monday said instead of a success-based design in Chandrayaan-2, the space agency opted for a failure-based design in Chandrayaan-3, focused on what all can fail and how to protect it and ensure a successful landing.
The Indian Space Research Organisation (ISRO) on Monday successfully launched a second generation navigation satellite, using a GSLV rocket with a cryogenic upper stage to do the job.
Despite the odd time, hordes of enthusiasts had reached the island, some of them travelling long distances on two wheelers, to witness the historic moment.
India's successful launch of its Mars mission has been described by the mainstream American media as "technological leap" and "a symbolic coup" against China in this field.
Except Pakistan, seven SAARC countries are a part of the project.
The second orbit raising manoeuvre of India's Mars Orbiter spacecraft was performed in the early hours of Friday, three days after its successful launch by PSLV C-25 into orbit around the Earth.
Antrix, ISRO's commercial arm, is eyeing 10% of the $357 billion global market.
The six satellites will be launched on PSLV-C29 from the Satish Dhawan Space Centre in Andhra Pradesh on December 16, 2015.
India scripted history by successfully launching EMISAT, a military satellite, and 28 foreign nano satellites on-board its polar rocket from Sriharikota on Monday, in a complex mission which marked many a first for Indian Space Research Organisation.
NavIC consists of a constellation of seven satellites and a network of ground stations and is touted to be more accurate than GPS.
The Lagrange point 1 (L1) of the Sun-Earth system is about 1.5 million km from the Earth. It is about one per cent of the total distance between the Earth and the Sun.
Cartosat-3 satellite is a third-generation agile advanced satellite having high-resolution imaging capability.
The Indian Space Research Organisation said that the countdown started at 6.51 am on Sunday.
"We started it by 1.17 am and have successfully completed the first orbit raising manoeuvre of Mars Orbiter Spacecraft. Right now, the computation is going on," an ISRO spokesman told PTI.
India is the fourth country to demonstrate the flight testing of Scramjet Engine after the United States, Russia and European Space Agency.
'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.'
A day after suffering a glitch during the fourth orbit raising operation on its Mars Orbiter Mission, the Indian Space Research Organisation on Tuesday successfully completed the supplementary manoeuvre, raising the spacecraft's apogee (farthest distance from Earth) to over 1,18,000 km.
"Since its injection into Earth's orbit yesterday, it has been functioning smoothly on the orbit. We are planning to perform orbit raising manoeuvres in the early hours of of Thursday," an Indian Space Research Organisation spokesman told PTI over phone.
This is ISRO's new record of launching 20 satellites, including those from the US, Germany, Canada and Indonesia.
The successful launch of the maiden solar mission of the Indian Space Research Organisation came on the heels of the historic lunar landing mission - Chandrayaan-3.
Taking its baby steps towards realising India's ambition to send humans into space, Indian Space Research Organisation on Thursday successfully tested the atmospheric re-entry of a crew module after its heaviest launch vehicle GSLV MK III blasted off from Sriharkota.
RESOURCESAT-2A, intended for resource monitoring, is a follow-on mission to RESOURCESAT-1 and RESOURCESAT-2, launched in 2003 and 2011 respectively. It is intended to continue the remote sensing data services to global users provided by RESOURCESAT-1 and 2.
The Indian space agency is all set to embark on its most complex mission.
India's heavy-lift rocket GSLV MkIII, carrying communication satellite GSAT-19.
