Rahmatullah Firdousi is an Imaam, Daee and Teacher. He earned Hafidh and Alim from Al-Jamiathul Firdousiyyah Arabic College, Tamil Nadu.

Rahmatullah Firdousi taught at various institutions including the Al Huda Orphanage Islahiyah Arabic College, Trichy. He serves as the head Imam in Masjidus Salam, Chennai. His works include estabishing Islamic Schools and enlightening and unifying the Muslim Ummah through education.