MUMBAI (Reuters) - The BSE Sensex extended gains to 2 percent by midday on Monday, as index futures pointed to a higher start for European markets after hopes for a global economic recovery had lifted sentiment across Asia. Tata Consultancy Services Ltd, the country's top IT-services firm by sales, surged 14.9 percent to 498.40 rupees after it beat forecasts with a 22 percent rise in quarterly pro   read more »