Mumbai: Interglobe Aviation, the parent of low-cost carrier lndiGo reported a loss of Rs 1,062 crore for the quarter ended September 30, hurt by mark-to market losses on operating leases and higher maintenance costs. Analysts in an ET NOW poll had projected a loss of Rs 7 crore.The company had posted a loss of Rs 651.5 crore in the same quarter last year.Interglobe said mark-to-market losses on capitalised operating leases of Rs 428.2 crore and higher maintenance cost of Rs 319 crore significantly impacted profitability.Revenue from operations came in at Rs 8,105.2 crore for the quarter, an increase of 31 per cent on 24.2 per cent rise in capacity on a yearly basis.The company reported Ebitdar (earnings before interest, taxes, depreciation, amortisation, and restructuring or rent costs) of Rs 256.40 crore with Ebitdar margin of 3.2 per cent compared with Rs 221.3 crore with margin of 3.6 per cent for the same period last year.“In a historically weak quarter, we registered a negative profit before tax margin of 12.7 per cent compared to 16 per cent margin loss registered in the same quarter last year,” said CEO Ronojoy Dutta.“While our revenue performance was much better during the quarter, the losses were accentuated by forex losses on operating lease liabilities created under IND AS 116, and re-assessment of accrual estimates for future maintenance cost,” Dutta added.