Merits
1. Only real player/ team has best potential will be the winner of the tournament.
2. Charm of the tournament still maintained thought out the tournament.
3. Good team/ player will continues though out the tournament so the chance of selection of good players is still alive.
Demerits
1. Funds are required more
2. Time are required more
3. Result come late
4. Officials & gournd realized more
5. Equipments are realized more.