involved in the case, even if the seizure of some liquor or material from the possession of the accused, proved the prosecution has got a further duty to prove that, if the seizure is with respect to illicit liquor or arrack, they have to substantiate the said fact with cogent and satisfactory evidence, for which proper sampling is an essential requirement. It is in this context, the contradiction occurred in the evidence of PWs.2 and 5, about the sampling, became more relevant. As rightly pointed out by the learned counsel for the appellant when PW2 deposed that for the purpose of sample one polythene packet is taken from the cover said to have possessed by A1 and A2, but deposition of PW5 is to the effect that he had taken two packets, after mixing the polythene covers seized from the polythene covers possessed by A1 and A2. So according to me, the above difference of opinion or conflict in the deposition, occurred in the evidence of the official witnesses of the prosecution, mandate the court to have a thorough scrutiny of the entire prosecution evidence. According to me, the defects pointed out by the learned counsel for the appellant in the proceedings adopted by PW5 towards the seizure and sampling and also the defect in the