NEW DELHI — Millions of Indians were setting off deafening fireworks displays Sunday to light up the sky for Diwali, the Hindu Festival of Lights, which celebrates the triumph of good over evil. Connect With Us on Twitter Follow @nytimesworld for international breaking news and headlines. Twitter List: Reporters and Editors People across India also handed out sweets, exchanged greetings with friends and relatives, and adorned their homes with glowing lanterns and oil lamps as they celebrated the country’s most important festival of the year. Diwali marks the return home of the Hindu god Rama from a 14-year exile after killing…