Mutual divorce terms

Can the the terms and conditions set at time of mutual divorce in the year 2021, in Chandigarh court be changed any time in future as per the requirement. If yes, what are the details. The terms were that the child (female, 6yrs) can meet the male after every 2-3 month. After divorce the person didn't come up asking to meet for around 2 years neither he is giving any kind of maintenance to the female or child. At time of filling visa in the year 2023 the mother faced some issue in filling visa as signature of the person is required his name being in the birth certificate. Accordingly the female files a case of full custody as per the present need and for future safeguard. But the male person on receiving court notice filled a contempt case stating the female didn't let him meet the child Is there a way to change the term and conditions set at that time of divorce be changed. Please guide. PS: female is remarried and child is well settled in new family. Child is 9 years now . His intentions are not to meet the child just to trouble is his motive. Everything is clear but the judge says we are abide as per what is written in the deed