1. Three duties of the coach are:
1. He gives each player equal attention, regardless of skill level.
2. Helps in making substitution during the course of the game.
3. Trains the player in a disciplined and demanding manner.
2. Six service faults are:
1. Crossing the service line when serving the ball.
2. When foot/feet is on the service line.
3. The service touches the net at the top, then it is replayed.
4. The service being blocked.
5. Service should be done only by the hand not with any other part of the body (as allowed during the rally).
6. If the service is not done from the baseline.
