Amid flight cancellation crisis, IndiGo on Friday faced another blow as the airline has been imposed with a penalty of nearly Rs 59 crore in relation to GST and the airline said it will contest the order, according to a regulatory filing on Friday. The Additional Commissioner of CGST, Delhi South Commissionerate, has imposed the penalty of Rs 58,74,99,439 on the airline for the financial year 2020-21. In a filing to the BSE, IndiGo said the department has raised GST demand, along with penalty.