JAP(Repeating theName) in PATANJAL- YOGA

If u can not practice the eight difficult parts of Yoga( अष्टांग योग ) i. e. YAM , NIYAM ,ASAN , PRANAYAM , PRTYAHAR , DHARANA , DHYAN and SAMADHI P atanjali has given an alternative to this .

OR
Surrender yourself to God 1/23
He is Eternal Omniscient Spacial person . 1/24
He has developed himself to the end / maximum and seed of all Omniscience .1/25
He has been the Eternal Guru of all the gurus (Teacher of all the teachers) earlier from the time not having any break . He is the Guru of gurus .1/26
His name is PRANAV (ऊं.OUM )1/27
Repeating His name OUM with feeling oneness with the Whole and without break in between.1/28
The consciousness turned inward and all the obstacles are removed in practicing the Yoga .1/29
These obstacles are - disease , dullness , doubt , carelessness , laziness , inability to concentrate or attention , distorted vision , weak base , unsteadiness of mind and thought , distraction to other subjects and fragmentation of mind and its waves of thought and understanding .1/30

For Original text in samskrit please see Patanjal- Yoga Sutra - chapter one / sutras 23 to 30 .