Q: What is needed to be done in order to seek Allah Ta'aala's mercy when a Muslim intentionally breaks a Ramadaan fast knowingly?
A: The only way to get Allah's mercy if one had broken a fast intentionally is to compensate for that act by fasting 60 days one after the other. This is called kaffara. A person who breaks a fast intentionally has to keep this kaffara to make up for the wrong-doing. If one does not do this, he will not earn Allah's Pleasure.
Mufti Siraj Desai