Fasting in the month of Ramadhan is obligatory upon all muslims, however there are certain rules which must be followed if a muslim want to make sure that his fast is accepted by Allah. This book is a complete guide on the subject of fasting and provides us with rules which should be followed for fasting. Furthermore it also provides the sources of rules and points to the Ahadith and ayahs in quran about the rulings of fasting.
More books are available in the Urdu Islamic Books section
Other Sources:
Forgiveness in Islam - Surah Taha Verse 82, Quran