The question asks to identify the mission that signifies India's first human presence on the International Space Station (ISS). The International Space Station (ISS) is a modular space station in low Earth orbit and serves as a multinational collaborative research laboratory. Several private space companies, like Axiom Space, are facilitating crewed missions to the ISS.
Let's look at the potential missions mentioned:
Axiom Space has been instrumental in organizing private astronaut missions to the ISS. While specific details about an "Axiom-4" mission leading to India's *first* presence need context, Axiom missions have indeed carried astronauts of Indian origin. For instance, Axiom Mission 3 (Ax-3) included an astronaut with Indian heritage, marking a significant step in human space exploration related to India. Given the options, Axiom missions represent the most plausible pathway for private or semi-private initiatives enabling Indian astronauts to visit the ISS. The question specifically points to "Axiom-4" as the mission responsible for this milestone.
Therefore, based on the provided options and the context of private spaceflight enabling national presence on the ISS, the Axiom-4 mission is identified as the one leading to India's first human presence on the International Space Station.
The Defence Research and Development Organisation's headquarters is located in ________.
With reference to `Astrosat', the astronomical observatory launched by India, which of the following statements is/are correct?
1. Other than USA and Russia, India is the only country to have launched a similar observatory into space.
2. Astrosat is a 2000 kg satellite placed in an orbit at 1650 km above the surface of the Earth.
Select the correct answer using the code given below.
Consider the following statements: The Mangalyaan launched by ISRO
1. is also called the Mars Orbiter Mission
2. made India the second country to have a spacecraft orbit the Mars after USA
3. made India the only country to be successful in making its spacecraft orbit the Mars in its very first attempt
Which of the statements given above is/are correct?
Which of the following pair is/are correctly matched?

Select the correct answer using the code given below.
Satellites used for telecommunication relay are kept in a geostationary orbit. A satellite is said to be in such an orbit when:
1) The orbit is geosynchronous.
2) The orbit is circular.
3) The orbit lies in the plane of the Earth's equator.
4) The orbit is at an altitude of 22,236 km
Select the correct answer using the codes given below:
An artificial satellite orbiting around the Earth does not fall down. This is so because the attraction of Earth