Air India said on Tuesday it would partially restore its international flight schedule that was scaled back following the crash involving its flight last month that killed 260 people. As part of the restoration,

Boeing’s engine fuel control switches, now the center of the investigation into the fatal Air India crash in June, have been scrutinized before.

“We’re going to be doing very severe tariffs if we don’t have a deal in 50 days, tariffs at about 100 per cent, you’d call them secondary tariffs,” he added.