Thus, even without amendment, he can agitate all those matters during trial. As per the proviso to Order VI Rule 17 of CPC, no new amendment of pleadings shall be allowed to be made after the commencement of trial, unless the party seeking for amendment convinces the Court that in spite of due diligence, he could not have raised all those matters sought to be incorporated by way of amendment before starting trial. As rightly held by the Court below, the petitioner could not show that he was prevented from making those contentions at the time of filing the written statement. Yet another pleading sought to be incorporated by way of amendment is regarding the maintainability of the Original Petition. According to the husband, after the death of his wife, the petitioners, who were the parents of the wife, lost the status of “parties to the marriage” to institute the original petition. The cause of action agitated in the suit is connected with the matrimonial relationship between the appellant and the respondent. Hence, it will fall within Explanation (d) to S.7(1) of the Family Courts Act, 1984, because it is a suit filed, seeking an order in the circumstances arising out of the marital relationship. It is true that liberal principles should guide the exercise of