Infrastructure major Larsen and Toubro (L&T) on Tuesday reported consolidated net profit of Rs 3,223 crore in the September quarter. This is higher by 45% compared with Rs 2229 crore reported in the corresponding quarter of the previous year.The profit was higher than the ET Now Poll estimate of Rs 2,858 crore.Consolidated revenues for the second quarter rose 19% to Rs 51,024 crore, primarily aided by improved execution of the large order book and accelerated progress in the projects and manufacturing portfolio.