Code of Civil Procedure, 1908–Order 6, Rule 17 & Order 1, Rule 10–Application for amendment in plaint and impleadment of the beneficiaries of will–Rejection–Justification–Suit for partition–Defendant filed the written statement with stating that the property in question was bequeathed to him in favour of her grand-childrens–Fact of execution of will came in knowledge of plaintiff after filing the written statement–Amendment is covered under the ambit of Order 6 and it is required for proper, convenient and complete adjudication of the disputes between the parties–Application is allowed.