Hindustan Zinc Q2 profit soars 142% to ₹6,412 crore. Hindustan Zinc posted a 142% YoY rise in Q2 FY27 net profit to ₹6,412 crore. Revenue hit a record ₹15,093 crore, up 77% YoY. EBITDA doubled to ₹9,285 crore with a 62% margin. Growth was driven by higher metal prices, record production, silver output up 20%, and a 29% drop in zinc production costs.