Which among these is the highest governing body of Hockey?

Total no. of players playing on the pitch in a hockey match is?

Which player is allowed to touch the ball with his feet during a Hockey match?

The dimensions of a Hockey field are?

What are the dimensions of the goal at each end of the hockey field?

The distance between the penalty spot and the goal is?

The shooting circle in a Hockey field is?

The limit on numbers of substitutions per game is?

No. of field umpires in a match is?

Each half in a hockey game consist of?