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ISRO's maiden X-Ray Polarimeter Satellite would offer insights into celestial objects like black holes.
A specialist in advanced launch vehicle technology, Dr Lalithambika has worked extensively on various ISRO rockets, particularly the Polar Satellite Launch Vehicle.
Aditya-L1 is the first space-based observatory class to study the Sun and is being fired using ISRO's PSLV.
India's first space-based Sun mission will be launched on Saturday.
The lift-off time was rescheduled to 6.31 am as space debris was expected on the path of the rocket.
ISRO's workhorse launch vehicle carried with it TeLEOS-2 as primary satellite and Lumelite-4 as a co-passenger satellite and deployed into low earth orbit.
The process of orbiting eight other nanosatellites piggybacking is underway and officials of Indian Space Research Organisation (ISRO) said it would happen smoothly as planned.
It lift off from the First Launch Pad of Satish Dhawan Space Centre, Sriharikota in Andhra Pradesh.
The PSLV rocket has launched 345 foreign satellites belonging to 36 countries since 1999.
EOS-04, with a mission life of ten years, is a Radar Imaging Satellite designed to provide high quality images under all weather conditions