Q1 EBITDA at Rs 49 bn (up39% YoY)was below our and Bloomberg consensus estimates. The YoY increase was mainly due to(a) higher Zinc LME priceat USD 2,600 (up 35% YoY) and higher total sales volume at Hindustan Zinc at 228kt (up 81% YoY),(b)higher Aluminum production at 352kt (up 44% YoY) and higher ..