Mahindra and Mahindra reported a 9.7% increase in net profit for the second quarter to Rs 989.5 crore, despite a 9% decline in net sales to Rs 89,295.70 crore. The automaker's net profit margin improved to 11.08% from 9.19% in the prior year, while earnings per share grew to Rs 16.76 from Rs 15.30. Trading volume of the company's stock rose at both the BSE and NSE exchanges.