The correct answer is option 'B' - Staircase.

Explanation:
In a knockout tournament, teams or individuals compete against each other in a series of matches. The tournament progresses in a way that the loser of each match is eliminated, and the winner advances to the next round. The process of drawing the fixture for a knockout tournament involves determining which teams or players will face each other in each round.

There are several procedures that can be used to draw the fixture for a knockout tournament, including bye, special seeding, and seeding. However, the procedure of "staircase" is not used for drawing the fixture.

Bye:
- A bye is a special provision in the fixture that allows one or more teams to automatically advance to the next round without playing a match.
- This is usually done when the number of teams or players participating in the tournament is not a power of 2.
- Byes can be given to the top-ranked teams or randomly assigned to ensure that the number of participants in each round remains balanced.

Special Seeding:
- Special seeding is a method used to determine the initial matchups in the tournament.
- It involves ranking or seeding the teams or players based on their performance or previous records.
- The top-ranked teams or players are then paired with the lowest-ranked ones to ensure a balanced competition.

Seeding:
- Seeding is another method used to determine the matchups in the tournament.
- It involves placing the teams or players in a specific order based on their rankings or performance.
- The teams or players are then paired in a way that the top seed faces the lowest seed, the second seed faces the second-lowest seed, and so on.

Staircase:
- Staircase is not a commonly used procedure for drawing the fixture in a knockout tournament.
- It is not a recognized method and does not follow any specific rules or guidelines.
- The term "staircase" may refer to a random or informal way of determining the matchups, but it is not a standard procedure used in organized tournaments.

In conclusion, while bye, special seeding, and seeding are commonly used procedures for drawing the fixture in a knockout tournament, the procedure of "staircase" is not utilized and is not a recognized method in organized tournaments.