India News Today's LIVE Updates, 21 June 2026: Get the latest breaking news on the NEET UG 2026 retest for nearly 22 lakh students, Abhishek Banerjee's central role in TMC's unravelling, PM Modi's Yoga Day session in Kolkata, and more, along with top headlines, politics, business, sports, entertainment and city updates from India and around the world.