Is it attainable hypnotised person couldn't be come out of Hypnosis?

No it is not possible. You can not get caught in Hypnosis as a result of you don't lose control if you are hypnotized. Hypnosis is a cooperative relationship. If you are hypnotized, you keep full control over your mind and your body. Generally, folks really feel so relaxed and comfy in Hypnosis that they might want to stay in that state for just a little longer. Nonetheless, a easy suggestion for awakening (or alerting) is all that is wanted to convey a hypnotised person back into the Waking State even when the subject has fallen asleep. Moreover, when the hypnotist stops speaking, the hypnotised person will quickly awaken on his own. Most significantly, you'll be able to come out of hypnosis any time you want.