New Delhi, June 28 -- The Parliament committee on transport, tourism and culture has summoned civil aviation secretary Samir Kumar Sinha to appear before it on July 8 to discuss issues regarding safety concerns in the aviation sector, officials aware of the development said on Friday. "The committee met on June 23 to discuss air congestion and related issues. It was decided to have a discussion regarding safety concerns in Indian aviation," one of the officials said. This comes after the Gatwick bound Air India flight, formerly AI 171, on June 12, crashed moments after take- off from Ahmedabad airport, killing 241 of the 242 people on board. While the Aircraft Accident Investigation Bureau (AAIB) is investigating the matter, aviation regula...