A book in Hindi the five pillars of Islam: The two testimonies, prayer, zakah, fasting, and pilgrimage. All of them are simply handled in detail concerning meaning, proofs, wisdom, and conditions.
A book in Hindi explains the six pillars of Islamic faith: Belief in Allah, His angels, His books, His Messengers, the hereafter, the good or bad predestination from an Islamic perspective.
A book in Hindi makes a brief introduction to Islam religion showing its comprehensiveness of all fields of life, along with explaining the six pillars of the Islamic faith.