"Asal Kamyabi Deen e Islam Hai" by Dr. Israr Ahmad emphasizes that true success lies in adherence to the teachings of Islam. Dr. Israr argues that success in this world and the hereafter can only be achieved by following the principles and guidelines set forth in Islam. He stresses the importance of faith, righteous deeds, and a sincere connection with Allah as fundamental to achieving success and fulfillment in life. Through his teachings, Dr. Israr inspires believers to embody the values of Islam in their everyday lives, guiding them towards spiritual growth and ultimate success according to Islamic teachings.