I was in Bing number 1 page ranking till yesterday, but today I see I've no page ranking. How possible ? I am getting really frustrated, if any one can help please suggest me how can i get back number 1 page ranking again ?
If your talking about the organic results it can come and go. Steady and natural with your backlinking. Contact them! Bing unlike google has one of the best customer support teams behind it and you can actually talk with real people with Bing.