Dar ul Uloom deoband has repented from there previous fatwa and declared that 12th Rabi ul Awal is not date of death of Prophet Mohammad Alaihis Salam. Below is the original scan of the fatwa issued by them.
December 31, 2014
September 28, 2012
March 27, 2014
Different between Hayati Mamati Deobandis and Sufi ChainsJanuary 4, 2017