For a devotee, accommodation is not only about finding a bed. It affects the entire yatra: arrival time, darshan planning, meals, rest, local movement and the ability to handle long queues without rushing. Shri Gajanan Maharaj Sansthan Bhakt Niwas Omkareshwar can be considered as part of that wider planning process.
The Sansthan's published branch information describes a marble temple of Shri Gajanan Maharaj at Shri Kshetra Omkareshwar and an accommodation arrangement consisting of multiple Bhakta Niwas buildings. The same information also highlights welfare services for pilgrims and devotees undertaking Narmada Parikrama.
Because availability can change with weekdays, weekends, festivals, Narmada Parikrama movement and special religious occasions, the safest approach is to treat room availability, category, donation amount and operational rules as live information. Confirm them close to your travel date instead of relying on an old screenshot or forwarded message.