Shaikh-ul-Hind, Hadhrat Moulana Mahmood-ul-Hasan Sahib Deobandi (rahmatullahi alaihi), is that personality with regards to whom Hadhrat Moulana Thanwi (rahmatullahi alaihi) has said, “People call him Shaikh-ul-Hind (the Shaikh of India) whereas in reality, he is Shaikh-ul-Aalam (The Shaikh of the world).”
Once, his feet swelled up due to excessive ibaadat. When he saw this, he became elated, that today he was blessed with the opportunity of following a Sunnah of Rasulullah (sallallahu alaihi wasallam), as the mubaarak feet of Nabi-e-Akram (sallallahu alaihi wasallam) swelled up due to standing for long periods in Salaah. (Malfoozaat of Faqeeh-ul-Ummat Vol 2 Pg 391)