Grasim Industries has reported a 29 percent rise in net profit at Rs 418 crore for the September quarter, driven by improved performance of its cement and viscose staple fibre businesses. The company’s Q2 net profit stood at Rs 323 crore in FY11, Grasim said in a statement. Total revenue for the quarter grew 28 percent to Rs 5,774 crore compared to Rs 4,503 crore in the corresponding quarter last year.