Dial, the complainant which operates the capital’s Indira Gandhi International Airport, alleged that a cheque for Rs one crore was issued by Kingfisher Airlines (KFA) on February 22, 2012 and was returned to them a month later, containing remarks 'fund insufficient'. DIAL had filed four cases in June, 2012 against Mallya over Kingfisher Airlines (KFA) cheques, totalling Rs 7.5 crore, not being honoured.