The Adani Group has announced the opening of its Rs 31,000 crore open offer to buy a further 26 per cent of the publicly traded Indian subsidiaries of Swiss company Holcim, ACC Ltd. and Ambuja Cements, from the public shareholders. The Adani Group stated in May of this year that it had reached an agreement to pay US$ 10.5 billion for a majority interest in Holcim Ltd.’s Indian assets. Last week, the open offer received approval from the market regulator Sebi.