Under section 21 of the Limitation Act, 1963, in the case of a newly added plaintiff, the suit is…

Section 21(1) of the Limitation Act provides that where a new plaintiff or defendant is substituted or added, the suit is deemed instituted as regards that party when he is made a party, that is, "on the date on which the new plaintiff is impleaded". Under the proviso, the court may order otherwise where the omission was due to a good-faith mistake. The date of the original suit or of the impleadment application is not the general rule.