NEW DELHI: Civil aviation regulator DGCA fined Air India Rs 10 lakh on Wednesday for the second time in one-and-a-half years, penalising the airline for not providing mandatory facilities to passengers who were denied boarding or whose flights were delayed or cancelled.This penalty also encompasses not compensating business-class passengers made to travel on unserviceable seats.Last June, AI was fined Rs 10 lakh for denying boarding to passengers, with DGCA ordering the airline to immediately put systems in place to resolve the issue.