Legal Question in Civil Rights Law in India

17. Amendment of Pleadings.- the Court may at any stage at the proceedings allow either party to alter or amend his pleadings in such manner and on such terms as may be just, and all such amendments shall be made as may be necessary for the purpose of determining the real questions in controversy between the parties:

Provided that no application for amendment shall be allowed after the trial has commenced, unless the court comes to the conclusion that in spite of due diligence, the party could not have raised the matter before the commencement of trial.

2) Order 1 Rule 10 is for add party petition.

3) Both are different. Furnish full facts.

4) Ask ur Attorney for relevant citations, which facts vary from case to case.