Aventis Pharma today reported a 8.24% increase in net profit at Rs 53.8 crore for the third quarter ended September 2006 as against Rs 49.7 crore for Q3FY06.According to the release issued by the company to the BSE, total income grew by 11.74% at Rs 258.7 crore as compared to Rs 231.5 crore in Q3FY06.