When the court gives visitation order on first instance it makes a speaking order under which handing custody of kid hours where to meet kid is specifically mentioned if they donot obey the order file an contempt and execution petition under order 21 in the court to get order executed the court shall make such arrangements so that the order is followed.
Donot worry seek execution of order the court shall make such arrangement with the help of police or other state body that your order is obeyed and also on disobedience by wife a simultaneous petition for contempt can be filled.