<ul data-eligibleForWebStory="false">Air India jetliner crashed after fuel supply cut-off, pilots failed to regain thrust.Initial report reveals switches moved to cut-off position after takeoff, leading to tragedy.Investigation ongoing to determine cause; no evidence for actions against Boeing or engines.Pilots' experience being examined; crew actions under scrutiny in aftermath of crash.Boeing 787 bound for London crashes, investigation reveals critical details of fatal incident.