This is part of Chapter 1 in the book titled "The True and Thrilling Story of Sadhu Sundar Singh The Apostle of the Bleeding Feet", dated 1920. Sardar Sher Singh is the wealthy father of Sadhu Sundar Singh from Purjab. He became a Christian later in Sundar's life. Both rejoiced over Sher's salvation when Sundar made one of his visits back home.
MORE books of interest can be found at these links:
Praying John Hyde - Playlist of 25 uploads https://www.youtube.com/watch?v=xsV6m0Md9LU&list=PLTJHc2m7bz83gG4Hb-uJ65PAWm9F4_T0i