Several foreign experts were seen scouting the crash site for the last two days, checking the debris to find clues.
Addressing close to 700 employees and the leadership team across the Air India headquarters and Air India Training Academy in Gurugram, Chandrasekaran urged them to stay on course, terming the accident the most "heartbreaking" crisis of his career.
The move follows the recent probe report by the United States National Transportation Safety Board (NTSB) that highlighted safety concerns involving Boeing 737 aircraft equipped with Collins Aerospace SVO-730 Rudder Rollout Guidance Actuators.
Flight JT-610, carrying 189 people, was on a scheduled flight from the Indonesian capital to Pangkal Pinang, the main city in the Bangka Belitung Islands.