Chahal Rabbana book contains 40 Quranic Dua ( supplications) and wazaif along w ith Urdu meanings and benefits. This booklet has compiled by Hafiz Fazle Rahim.
40 Rabbana book and contain a very useful and amazingly powerful wazaif and Duas from Quran-e-Pak and Durood-e-Tanjeena which was presented by Hazrat Maulana Mahmood-ul-Hasan ra