Which of the following are instances of exceptional cases which have been held to justify revision, although a remedy by suit was available?

I. An order refusing to inquire into an objection to an attachment when the applicant was under the impression that the attachment had ceased and that it was not necessary to file a suit under O. 21, r 63

II. An order dispossessing a judgment-debtor under O, 21, r 98, although the decree-holder purchaser had agreed to allow him to remain in possession

III. A decree under s. 9 of the Specific Relief Act, 1877, when the court had no jurisdiction at all, the summary suit being barred by the provisions of the Tenancy Act

IV. When the court actually refused jurisdiction to enter¬tain an application for a review based on an allega¬tion of fraud

V. If the facts and circumstances show that trail court has disposed of the case on an obvious misapprehension as to legal position