Mid-air Holi celebrations aboard eight flights have cost no-frill carrier SpiceJet heavily, with the DGCA issuing show cause notice to the airline and suspending two of its pilots.br br Sources said that on Monday, the cabin crew of SpiceJet performed a small dance sequence on a song as part of Holi celebrations, with some passengers also joining in.br br The videos of these events were taken and uploaded on video-sharing website YouTube and other social media.