Why Was the Launch of Chandrayan-2 Stopped?

Chandrayan-2 was supposed to be launched at 02:51 hrs, but ISRO's second moon mission had to be stopped
Interview with D Raghunandan
Interviewed by Prabir Purkayastha Produced by Newsclick Team,

Chandrayan-2 was supposed to be launched at 02:51 hrs, but ISRO's second moon mission had to be stopped. D. Raghunandan, Defence Analyst, tells us why this launch was stopped and what was the importance of this mission.