Rejection of plaint is mentioned under :

Order VII rule 11- Rejection of plaint.— The plaint shall be rejected in the following cases:— (a) where it does not disclose a cause of action; (b) where the relief claimed is undervalued, and the plaintiff, on being required by the Court to correct the valuation within a time to be fixed by the Court, fails to do so; (c) where the relief claimed is properly valued, but the plaint is returned upon paper insufficiently stamped, and the plaintiff, on being required by the Court to supply the requisite stamp-paper within a time to be fixed by the Court, fails to do so; (d) where the suit appears from the statement in the plaint to be barred by any law; (e) where it is not filed in duplicate (f) where the plaintiff fails to comply with the provisions of rule 9