Step 1: Recall the case.
Harish Chandra Tiwari v. Baiju (2002) is a Supreme Court case about what punishment fits an advocate who misappropriates, that is, wrongly takes, a client's money.
Step 2: Understand the duty of an advocate.
An advocate is in a position of trust. When he holds a client's money, he holds it in a fiduciary capacity, meaning he must protect it honestly, like a guardian of that money.
Step 3: See what the Court said.
The Court held that misappropriating a client's money is one of the gravest forms of professional misconduct. It is a serious betrayal of the trust the client placed in the lawyer.
Step 4: See the punishment.
The Court said that for such a grave breach, the usual punishment should be removing the advocate's name from the State roll. A mere reprimand or a short suspension would be too soft.
Step 5: Reject the wrong options.
Reprimand for a first offence is wrong because the Court found this too lenient. A fixed five-year suspension as a standard rule is not what the Court laid down. A money penalty of double the amount is not the holding either.
Step 6: State the answer.
Misappropriation is among the gravest misconduct and ordinarily warrants removal from the roll.
\[ \boxed{\text{Misappropriation of a client's money constitutes one of the gravest forms of professional misconduct and ordinarily warrants removal of the advocate's name from the State roll.}} \]