As the Indian Space Research Organisation (ISRO) made a giant leap with India’s moon mission Chandrayaan-3 touching down on the lunar south pole at 6.04 pm on Wednesday, its top scientists spoke exclusively to News18 about the challenges and plans. ALSO READ | ‘Chanda Mama Bas Ek Tour ke Hain’: PM Modi Hails Chandrayaan-3 Success | 2019’s Tears to 2023 ‘Festival’ WATCH With this touchdown after a flawless 41-day voyage and less than a week after a Russian lander headed to the lunar south pole crashed, India has become the fourth country to master the technology of soft-landing on the…