New Delhi, July 21 -- Is the government considering the possibility of tampering or interference by Boeing in the case of the black box retrieved from the crash site of Air India flight 171 in Ahmedabad? What are the exact contents of the black box? How safe is air travel in India? Will the report on lapses be made public? Is it true that nearly 53% posts in DGCA and other civil aviation related bodies are vacant despite the rapid growth of the civil aviation sector in India? At least 22 MPs have sought answers from the Union civil aviation minister Ram Mohan Naidu to questions related to the crash of AI-171 and the probe. The questions uploaded on the Lok Sabha website will be taken up for oral answers on July 24 in the upcoming Monsoon se...