BSE Sensex (17728.60) and Nifty (5310) closed down 1.61% and 1.60% respectively last week.Nifty Future February was quoting at 2.80 points premium.Nifty call option February 5300 was very active.Support for Sensex is at 17290. Resistance for Sensex is at 18180 .Support for Nifty is at 5180 and resistance at 5440.. Hindalco,Reliance Power,RCOM,Tata Steel,Tata Power and Unitech will report the earnings next week.Union Budget will be presented this month. SBI and Tata Motors added Open Interest in February series.Huge position was build up at Tata Motors February Call Option Strike Price 1150.Good build up was also seen at SBI February Call Option Strike Price 2600. Strategy for Futures Option players. 1)IDFC(135.30) Lot Size-2000 Shares Buy One Call Option of February Strike Price 130.00@7.75 Rs Sell One Call Option of February Strike Price 140.00@2.65 Rs. Premium .Paid=7.75*2000=15500.00 Rs. Premium Received=2.65*2000= 5300.00 Rs. Net Premium Paid==155...