Hayaat-e-Muhi-us-Sunnah by Hazrat Hakim Syed Afsar Basha Sahab Qasmi. Published by Haqqi Publications, Bangalore Road, Vellore, Tamilnadu, India.
We have already used it here and mentioned it here.
Here is the front cover (click for a larger (and still larger) view):
Here is the back cover (the Book is in Urdu)(click for a larger (and still larger) view):