Tamil Nadu Petro Products shares surged to an upper circuit limit following impressive Q1 FY26 results. The company's net profit skyrocketed by 134% year-on-year, reaching ₹35.25 crore, while EBITDA more than doubled to ₹52.45 crore. Although revenue remained steady at ₹463 crore compared to last year, it did see a 2% increase from the previous quarter.