What does a Mayday call mean? Where is the Black Box on the flight?

June 12 in Ahmedabad was very painful. A plane crashed in Meghninagar. B.J. The whole plane was rushed to the building of the medical hostel. Air India flight AI-171 was the victim of a fierce incident. The Boeing 787 was a Dreamliner aircraft with 242 people aboard. Former CM Rupani of Gujarat was also aboard the incident. However, when the late Rupani was in the CM position, he got the full information of Boeing 737. He got information on how the plane worked in the cockpit.