Each Team can have a Super Sub in their Team, Name of Super Sub can be announced after the Toss, Super Sub, will enable the Team to use the Talent of Cricketers ,which are Specialist in one Discipline. E.g. One Bowler can Bowl, and a Different Batsman can bat, Team have their own choice they want to use or not this SUPER SUB facility.
For First 6 overs only 2 Players are allowed to Field outside the 23 yards Circle and
4 Players will remain in the Circle for the entire 20 Overs, as a Mandate for Fielding Side.