Other Plaintiffs did not appear on date case dismissed what action?

While a partition suit is pending before the court, the advocate declined to proceed the case and filed no instruction petition in the court. thereupon the court issued notice to the eight plaintiffs to appear before the court in person or through council on a specific date .Therefore another advocate was approched . on his acceptance a vaklat was signed by 5 of the plaintiffs authorising the advocate . After promising the plaintiff that he will appear. But he failed to appear .consequently the suit was dismissed. what coures of action are available to the plaitffs,. What action against the