He was born between 1974-76 in Sambhal, Uttar Pradesh, India.[1] He attended the Darul Uloom Deoband seminary, before leaving India and moving to Pakistan in the late 1990s.[2] They also claim that from the late 1990s to 2004, Umar provided ideological training to jihadists in camps run by Harkat-ul-Mujahideen in Pakistan Administered Kashmir, before relocating to HuM’s office in Haroonabad in 2004.[4]