since the user agent for Android Mobile and Android Tablet are the same, I am not able to filter Android Tablet requests, so that I could redirect to desktop version instead of mobile site..
IIS 7
for {HTTP_USER_AGENT}
blackberry|iphone|ipod|android|windows\ ce|htc|midp|j2me|palm|nokia|symbian|sonyeric|motorola|motorazr|motorizr|motorokr|mot\-|moto(v|e|q).+|samsung|^sch\-|^sgh\-|^lg\-