Answer
It is the belief of the Ahlus sunnah (followers of Rasulullah) Wal Jamaa (and followers of the Sahaaba) that Rasulullah (Sallallaahu Alayhi Wasallam) is alive in his grave.
Deobandis subscribe to the beliefs of the Ahlus sunnah Wal Jamaa.
and Allah Ta’ala Knows Best
Mufti Ebrahim Desai