<div>The Bombay Stock Exchange (BSE) has approved the planned delisting of shares in Essar Oil Ltd, two sources familiar with the matter told Reuters.</div><div> </div><div>The delisting plan had already been approved by National Stock Exchange. Essar Oil, a unit of India's diversified Essar Group, was given the BSE green light on Wednesday, the sources said.</div><div> </div><div>Spokespeople for the BSE and the NSE could not be immediately reached for comment. An Essar spokesman declined comment.</div><div> </div><div>Russian oil giant Rosneft is in a talks to buy a stake of up to 49 percent in Essar Oil, which operates a 400,000 barrels per day (bpd) Vadinar refinery in Gujarat.</div>