Sensex tanks 736 pts, Nifty slides below 22KFrom the Sensex basket, Tata Consultancy Services, Nestle, Bajaj Finserv, Wipro, Maruti Suzuki India, Reliance Industries, Larsen & Toubro and NTPC were the major laggards. Tata Steel, Bajaj Finance, JSW Steel and Bharti Airtel were...