Essar Energy, a subsidiary of Indian conglomerate Essar Group, has set a price range for its planned $2.5 billion London IPO, according to a report in The Wall Street Journal. The listing is reportedly the largest on the London exchange in nearly three years.

Freshfields Bruckhaus Deringer, Linklaters, and Indian firms Amarchand & Mangaldas and Talwar Thakore & Associates are lead counsel on the offering, according to Indian legal publication Bar & Bench.