India's Chandrayaan-3 is all set to create history. On Wednesday, the nation will go through one of the most agonizing 20 minutes, when the Vikram lander will attempt a soft landing on the Moon's south pole in the evening. With this India is hoping to become the fourth nation to land on the Moon. NDTV's Pallava Bagla explains the details of the landing process and Chandrayaan-3's journey so far.