This Booklet is translation of a long letter written by The Great Hadith Scholar and compiler of Maariful Hadith Hazrat Maulana Manzoor Nomani to an Islamic Scholar who has raised the issues
of Mistakes of the workers of Tablighi Jamaat and some other issues.
(Maulana Nomani letter was published in AL FURQAN Zilhijja 1379 H).
Original urdu letter is also part of this Urdu book available on this link