To make any alterations in the Quran in any way is totally impossible, even if the people of the entire world gather together with the intention of altering it, thus anyone who says that any chapters, verses, surahs, or even letters have been added or subtracted from it, is a Kaafir without any doubt
Indeed Allah sent Angels wearing these turbans to support me in (the battles of) Badar and Hunayn. Verily, turbans differentiate between Kufr (infidelity) and Iman (faith). [Bayhaqi, Sunan al-Kubra, Vol. 10, Page 14, Hadith 18163]
Sunni Dawate Islami is an international, non-political and purely religious movement. It promotes the propagation of the true beliefs of Islam under the teaching of the true sect of Ahle Sunnah Wa Jama'ah.