Probably, in his twenties he spent working under the tutelage of his father, Pir Salahuddin, in Sabzwari and perhaps in his early thirties succeeded his father and was assigned the Dawa of Badakshan and Northern India. He was sent by the twenty-ninth Ismaili Imam, Kassim Shah, to preach the Ismaili Nizari faith in South Asia.Pir Shams conducted his missionary activities all over the North-western and Western parts of South Asia and in the context of Vedic scripture vis-a-vis Al-Quran, revived the idea of the necessity of a living guide in the minds of his non-Muslim audiences, bringing thousands of them to the fold of Ismaili Islam.It is given in the Noor-a-Mubin that Pir Shams was born at Sabzwar in Iran where he spent his childhood and adolescence in pursuit of education. The sixth Imam, lsmail bin Imam Jafar-as-Sadiq, and the succeeding Ismaili Imams sent out Dais (Missionaries) to the far corners of the then known world (Seerat-al-Mustaqim or Sat Panth in Indian language).Shams Sabzwari too occupies a prominent position amongst the famous Ismaili Dais. At about the same time, the followers and well wishers of Muhammads family had started propaganda and conversion on behalf of Ali and his successive Imams. In South Asia, by the propagation of Islam commenced after the demise of Mohammad and Sindh was first to receive Islam. The Urs of Shamsuddin Sabzwari takes place June of each year. Shamsuddin Sabzwari died in 1276 and his mausoleum is located in Multan. Shamsuddin Sabzwari is considered to be a saint due to his poetry and the local traditions. in modern Pakistan, established a dargah and preached Islam to the local population. Shamsuddin Sabzwari arrived in Multan in early 1200C.E. 1356 C.E) was a Muslim Sufi missionary and Pir (Sufism) from Sabzawar in present-day Iran. Hazrat Pir Shah Shamsuddin Sabzwari Multani (died 757 A.H. The sixth Imam, lsmail bin Imam Jafar-as-Sadiq, and the succeeding Ismaili Imams sent out Dais (Missionaries) to the far corners of the then known world (Seerat-al-Mustaqim or Sat Panth in Indian language). At about the same time, the followers and well wishers of Muhammads family had started preaching and conversion on behalf of Ali and his successive Imams.