Vedanta's (VEDL) 4QFY18 EBITDA increased 16% QoQ to INR78.4b (est. of INR73b), driven by growth in zinc-India, O&G, copper, aluminum, partially offset by a decline in iron ore and zinc-int. Aluminum EBITDA beat of 69% was largely driven by capitalization of pot line relining expenses. Cost of production (CoP) at zinc-int was much higher at USD1976 than the guidance of USD1700/t due to pre-stripping at Skorpion mine