So Chandrayaan 3 have continued the Lunar Exploration after the successful missions of chandrayaan 1 and 2. Even though last Chandrayaan 2 have made a significant impact on the indians mission after going to the surface but fails to soft landed.
But this time Chandrayaan 3 has landed softly and becomes the Fourth Country to land on the moon and first country to land on south pole of the Moon. The mission is very important because they wanted to show how they are making themselves as a competitor, They want to make and establish their name to all over the world.
After being success to the moon they have the confidence. Additionally, Chandrayaan-3 would have strengthened India's position in the international space community. Collaborations with other space agencies and participation in global lunar research initiatives could have been facilitated by this mission, enhancing India's role in shaping the future of lunar exploration.
So in conclusion Chandrayaan 3 would have been the most important for India as it is representing a continuation to lunar exploration. A platform for scientific discovery.