Āb-i-Kausar" by Mufti Muhammad Amin (Faisalabad) is a spiritually enriching Urdu work focusing on the virtues and blessings of sending Salawat (Darood) upon the Prophet Muhammad ﷺ. The book highlights the immense rewards, both worldly and spiritual, that come from consistent recitation of Darood, especially on Fridays and during special occasions. It presents authentic narrations and examples to show how Darood brings peace to the heart, acceptance of prayers, protection in the grave, and intercession on the Day of Judgment. Written in a simple and heartfelt style, the book appeals to both scholars and lay readers. It inspires love for the Prophet ﷺ and encourages the reader to make Darood a regular part of their life. Scholars have praised it as one of the most impactful works in Urdu on this subject, rooted in Quranic and Hadith teachings. Ultimately, Āb-i-Kausar serves as a spiritual guide that nurtures devotion and brings the reader closer to the Prophetic light.