India’s government is urgently inspecting all Boeing 787s after a devastating Air India crash that claimed at least 270 lives this week, the aviation minister said on Saturday, adding that the authorities were investigating all possible causes.

The co-pilot of Air India Flight AI171 may have made a fatal error, causing the crash that killed 241 people onboard and dozens more on the ground, an aviation expert has claimed.

Viswashkumar Ramesh, 40, the sole survivor of Air India Flight 171, is among the ranks of those spared by fate.

Both of the "black boxes" were recovered from the wreckage of the Boeing 787-8 Dreamliner in India after after all but one of the 242 people onboard died.

Indian authorities have ordered what they called “extended surveillance” of all Boeing 787 aircraft in the country’s fleet while they investigate the cause of Thursday’s crash of an Air India plane.

At the hospital in Ahmedabad, family members were giving DNA samples, waiting for official confirmation of their loss in the Air India disaster, and remembering their loved ones.

Follow NBC News live updates for the latest coverage of of the Air India plane crash in the city of Ahmedabad. Only nne man, a U.K. national survived.