The March Nifty futures is trading at a one point premium to the spot Nifty at 3338. The April Nifty is at 3329 - a discount of eight points and the May Nifty is at 3320 - a discount of 17 points.The open interest in March futures has gone up by 11,05,100, and 17,54,400 in the April series. The May series has declined 4300 in open interest.VSNL is the most actively traded stock futures. The March futures is in trading in tandem with the cash market price at Rs 438. IVRCL Infrastructure is also trading in tandem at Rs 299. Infosys is trading at Rs 3,025 - a premium of Rs 5.The Sensex is now up 69 points at 11,155. The Nifty is at 3339 - up 14 points.