Patna, June 12 -- Former Union Civil Aviation Minister Rajiv Pratap Rudy condoled the Air India flight crash near Ahmedabad's Sardar Vallabhbhai International Airport on Thursday.

Rudy highlighted how the plane's model, Boeing's 787-8 Dreamliner, is known for efficiency, and he cannot comment on the cause before an investigation is completed..

"This is very sad and unfortunate. But I am not an expert. It will be very difficult to say what the cause of the accident was. It can be clear only after an investigation. This was a 787 Dreamliner aircraft which is considered a very efficient aircraft. It can easily fly for 12-14 hours after taking off," the former union minister told reporters here.

"The flight was going from Ahmedabad to Lond...