Dua and Azkar in Islam. Islamic dua and invocations from Hisnul Muslim. Supplicatons and Dua in Ramadan, Hajj and Umrah. Collection of authentic Duaas/ Zikr/ Dhikr from Quran and Sunnah. We collected authentic duaas from Sahih Bukhari, Sahih Muslim and all the other authentic Sunnah books. Dua is given lot of imprtance in Islam. Authentic Duas from Hisnul Muslim included.