An Indigo flight from Delhi to Srinagar with over 220 passengers and crew encountered severe turbulence due to a hailstorm mid-air on Wednesday.The pilot declared an emergency, but the aircraft landed safely in Srinagar at 6:30 p.m., with all passengers and crew reported safe.The flight has been declared 'Aircraft on Ground' due to technical issues, grounding the plane.Heavy rain and hailstorm in Delhi caused disruptions in flight operations with airlines issuing advisories for possible delays and cancellations.