The Chandrayaan mission was an Indian lunar exploration mission conducted by the Indian Space Research Organization (ISRO).

The primary objective of the Chandrayaan mission was to study the lunar surface and composition, including the presence of water and other resources.

Dr. M. Annadurai was the project director of the Chandrayaan mission and played a significant role in its development and execution.

Chandrayaan-1 was the Indian spacecraft that successfully orbited the Moon during the Chandrayaan mission.

Astrosat is an Indian space mission specifically designed to study asteroids, among other celestial objects.

The primary objective of the Astrosat mission is to study the X-ray and ultraviolet emission from celestial objects, including asteroids.

Dr. K. Kasturirangan was the chairman of the Indian Space Research Organization (ISRO) during the development of the Astrosat mission and played a significant role in its success.

Astrosat is the name of the Indian spacecraft that was launched as part of the Astrosat mission.

Aditya-L1 is an Indian space mission specifically designed to study the Sun.

The primary objective of the Aditya-L1 mission is to study the Sun's corona and solar flares.

Dr. U. R. Rao was the chairman of the Indian Space Research Organization (ISRO) during the development of the Aditya-L1 mission and played a significant role in its success.

Aditya-L1 is the name of the Indian spacecraft that was launched as part of the Aditya-L1 mission.

Mangalyaan is an Indian space mission specifically designed to study the planet Mars.

The primary objective of the Mangalyaan mission is to study the Martian surface and atmosphere.

Dr. K. Radhakrishnan was the chairman of the Indian Space Research Organization (ISRO) during the development of the Mangalyaan mission and played a significant role in its success.