India prepares major evacuation plan for stranded nationals abroad; Naval ships diverted to Gulf countries and Maldives to evacuate Indians; Abhijit Banerjee discusses economy with Rahul Gandhi; Delhi police probes sick online chatroom run by teenage boys, 15-year-old member held; HRD Minister announces new dates for JEE Mains, NEET exams, decision on remaining Board exams soon and more news