Gulf Oil Lubricants India Ltd plans to invest Rs 50 crore to nearly double capacity at its Ahmedabad EV charger plant to around 3,000 DC fast chargers from 1,800, through its 65.18% subsidiary Tirex Transmission Pvt. Ltd. Managing Director Ravi Chawla said the plant currently makes 1,500-2,000 chargers and holds about 40% of India's DC fast-charger market, with Tirex revenue rising from Rs 79 crore in FY25 to over Rs 100 crore in FY26.