The rejection is not final if the rejection is technical and not resjudicata.  The simple remedy is correcting the mistake and filing another IA.

You can file another application under correct provisons ,there is no bar to file applications in a case.

The Court suo motu is to change the Section of The Indian Penal Code.

You have not posted the material facts.

Jhar HC | Petition cannot be rejected merely on ground of mentioning wrong provision – contents of petition must be considered for the sake of justice.

The High Court after considering all the legalities and referring to the provisions of Order 7 Rule 14 (3) of the CPC deemed it fit and fair that the power to grant relief, taking into consideration the relevancy of the documents.

In the following case, the petition has been filed by the plaintiff under Section 5 of Limitation Act rather than Order 7 Rule 14 (3) of the CPC. The court relied on the judgment rendered by the Supreme Court of India in P.K. Palanisamy v. N. Arumugham, (2009) 9 SCC 173 where it was held that mentioning of the wrong provision or not mentioning that provision will not make the order invalid, if the court and/or statutory authority have the requisite jurisdiction  therefore.

Another question taken into consideration is the question of prejudice. The court on the following question held that in terms of the provision of Order 7 Rule 14 (3) of the CPC give liberty of cross-examining the witnesses to the petitioner.

Thus, as per the Supervisory jurisdiction in Article 227 of the Constitution of India, the Court was not mistaken in warranting any interference by the court. Therefore, the writ petition failed and Interim Order dated 10-07-2018 was vacated. [Jay Shankar Yadav v. Bhola Yadav, 2019 SCC OnLine Jhar 1509, decided on 07-11-2019]