Gautam Adani, Chairman of Adani Group | Credit: Reuters India's Adani Enterprises increased the size of its qualified institutional placement by 50% to 150 billion rupees ($1.75 billion) after attracting bids worth about 380 billion rupees, or 3.8 times the base offer, two sources told Reuters on Friday. The placement comes as the flagship company of the Adani Group accelerates investments in some of its businesses including airports, roads, data centers and green hydrogen.