Now a days after we have several misconceptions, misquotations, misinterpretations of Holy Quran without having original reference and understanding of the Koran.

So, the requirement is to go back to the first source and original language. Koran Tafsir is that the explanation and Interpretation of the Holy Koran.

Tafsir Usmani by Mufti Shafi Usmani is one among the most respected and accepted explanations for the Koran and is that the most generally used.