What should be length of answers in ipcc in sm and it ?

Write ICAI exam directly quoting relavant points.Gumake answer naa karo.Be precise and support ur point with examples,if any.For SM students creativity is also tested .Read institute Practice manuals to get a an idea of Institute expectation.Best of Luck 4 exams.

Write what you think should be the answer.

Don't tell stories in the answer.It is a technical exam, so just be to the point, precise but write relevant things.