Oral gifts among Muslims are valid if there is a declaration by the donor, acceptance by the donee and possession of the gift. Even though the immovable property right is not registered it is valid according to uncodified Muslim law.
Shaik Khadaru Masthan vs Smt.Sayyed Fathimun Bee, 13 September, 2007
Gulam Hussain Kutubuddin Maner vs Abdulrashid Abdulrajak Maner J.T. 2000 (10) SC 425: 2000 (8) SCC 587
llah Shamsuddin Naday vs Jaitunbi Makbul Naday (1994) 5 SCC 476
Valie Peedikkandi Katheessa Umma vs Pathakkalan Narayanath Kumhamu, AIR 1964 SC 275