Tenneco Clean reported Q2 FY26 revenue of ₹542 crore , reflecting a modest 3% year-on-year increase, while gross profit slipped 1% to ₹99 crore . Net profit surged to ₹939 crore , marking a 1,152% rise driven by one-time gains and operational efficiencies. Shares closed nearly unchanged at ₹490 as broader auto sentiment remained subdued, with investors watching sector trends and upcoming quarterly guidance.