New Delhi, June 27 -- Investigators have started analysing data extracted from the black box retrieved from Air India flight 171 to find clues on why the Boeing 787 Dreamliner crashed shortly after take off from Ahmedabad airport on June 12 , the government said on Thursday. A team led by AAIB, the designated authority for air crash investigations in India, extracted both cockpit voice recorder and flight data recorder data after the devices were recovered from the crash site and flown to the bureau's lab in Delhi, the government said in a statement. P7...