India's InterGlobe Aviation, operator of IndiGo, files for IPO

India's InterGlobe Aviation Ltd, which operates the country's biggest airline IndiGo, on Tuesday filed a draft prospectus for an initial public offering to list on the domestic stock market. InterGlobe Aviation said in a statement the initial public offering would include fresh equity of up to 12.7 billion rupees ($199.64 million) and the sale of up to 30.15 million shares by some of its shareholders.