Explanation.—For the purposes of this article— (a)where the suit is by a remainderman, a reversioner (other than a landlord) or a devisee, the possession of the defendant shall be deemed to become adverse only when the estate of the remainderman, reversioner or devisee, as the case may be, falls into possession; (b) where the suit is by a Hindu or Muslim entitled to the possession of immovable property on the death of a Hindu or Muslim female, the possession of the defendant shall be deemed to become adverse only when the female dies; (c)where the suit is by a purchaser at a sale in execution of a decree when the judgment-debtor was out of possession at the date of the sale, the purchaser shall be deemed to be a representative of the judgment-debtor who was out of possession.