Question Summary:
Breaking a fast intention during the month of Ramadhan

Question Detail:

Once I broke a fast during the month of Ramadhan intentionally because I was very thirsty as I had done a lot of physical exercises at school. Is kaffarah (fasting two months) compulsory on me ?

Answer :

In the Name of Allah, the Most Gracious, the Most Merciful.
As-salāmu ‘alaykum wa-rahmatullāhi wa-barakātuh.
If a Muslim deliberately breaks his fast during Ramadan with no justifiable reason in Sharī῾āh, then he has to compensate by paying Kaffārah (expiation) for the sin.
The Kaffārah (expiation) for a broken fast, which is in addition to making up the fast for the missed day is sixty consecutive days. If the sixty days is interrupted without a legitimate Shar῾ī reason, then one has to recommence the sixty days.[1]
 
In the enquired situation, if you broke your fast purely due to thirst, then you are liable to fast for 60 days for Kaffarah (penalty) and one as Qadhaa (Missed Fast).
 
And Allah Ta’āla Knows Best
Ismail Desai,
Darul Iftaa
 
Checked and Approved,

Mufti Ebrahim Desai.