Net profit of Diffusion Engineers rose 70.82% to Rs 12.06 crore in the quarter ended December 2025 as against Rs 7.06 crore during the previous quarter ended December 2024. Sales rose 27.30% to Rs 100.82 crore in the quarter ended December 2025 as against Rs 79.20 crore during the previous quarter ended December 2024.
| Particulars | Quarter Ended |
| Dec. 2025 | Dec. 2024 | % Var. |
| Sales | 100.82 | 79.20 | 27 |
| OPM % | 13.40 | 12.63 | - |
| PBDT | 18.18 | 9.57 | 90 |
| PBT | 16.44 | 8.14 | 102 |
| NP | 12.06 | 7.06 | 71 |