13. It needs no emphasis that the expression “possession” is not capable of precise and completely logical definition of universal application in the context of all the statutes. “Possession” is a polymorphous word and cannot be uniformly applied, it assumes different colour in different context. In the context of Section 18 of the Act once possession is established the accused, who claims that it was not a conscious possession has to establish it because it is within his special knowledge.

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15. From a plain reading of the aforesaid it is evident that it creates a legal fiction and presumes the person in possession of illicit articles to have committed the offence in case he fails to account for the possession satisfactorily. Possession is a mental state and Section 35 of the Act gives statutory recognition to culpable mental state. It includes knowledge of fact. The possession, therefore, has to be understood in the context thereof and when tested on this anvil, we find that the appellants have not been able to satisfactorily account for the possession of opium.