Recently "Dhawan II" was in news, it is related to which of the following?
1
It is a space observation satellite launched by ISRO to study the coronal mass injection from the sun.
2
Supercomputer developed under the National supercomputing Mission at IIT Hyderabad
3
It is a 3D-printed cryogenic engine developed by the Skyroot Aerospace for its heavier vehicle.
4
Booster rockets for the launch of GSLV satellites developed by ISRO.