IRB Infrastructure Developers net profit rose 439.27% to Rs 35.70 crore in the quarter ended December 2011 as against Rs 6.62 crore during the previous quarter ended December 2010. Sales rose 611.68% to Rs 459.60 crore in the quarter ended December 2011 as against Rs 64.58 crore during the previous quarter ended December 2010.
In the consolidated results, the company reported net profit after minority interest of Rs 131.39 crore in the quarter ended December 2011 as against Rs 133.01 crore during the previous quarter ended December 2010. Sales reported to Rs 745.48 crore in the quarter ended December 2011 as against Rs 668.81 crore during the previous quarter ended December 2010.
| Particulars | Quarter Ended |
| | Dec. 2011 | Dec. 2010 | % Var. |
| Sales | 459.60 | 64.58 | 612 |
| OPM % | 10.89 | 12.29 | -11 |
| PBDT | 52.07 | 7.58 | 587 |
| PBT | 52.07 | 7.58 | 587 |
| NP | 35.70 | 6.62 | 439 |