new delhi/mumbai, Nov. 26 -- Adani Enterprises, the flagship firm of billionaire Gautam Adani's diversified conglomerate Adani Group, opened its mega rights issue on Tuesday, looking to raise nearly Rs.25,000 crore. The issue priced at Rs.1,800 per share, a discount of almost 24% for shareholders, closes on Wednesday. Investors participating in the issue will get three equity shares for every 25 fully paid shares held in the company. To be sure, only existing investors can participate in the issue. Adani Enterprises is offering 138.5 million equity shares at an issue price of Rs.1,800 per share at a face value of Rs.1 apiece. On full subscription, the firm is expected to raise Rs.24,930 crore. The payment schedule of the shares are Rs.900 o...