counsel are really formidable. It is shown that PW2, the detecting officer himself had prepared the Ext. P5 forwarding note requesting to send the samples collected from the seized items for chemical examination report. But the Ext. P5 does not bear sample seal of the Excise Officer. Even though the Ext. P7 certificate of chemical analysis No. 3943 dated 25.12.2000 in respect of crime No. 64/99 of Kasaragod Excise Range was reportedly received by the Joint Chemical Examiner with seals on the bottle intact, tallying with the sample seal provided, the sample seal is not available in court. It can be argued that once the Chemical Examiner has certified that the items had reached him with seals on the bottle intact tallying the sample seal provided, it is not necessary to go behind. But, here the defence disputes the preposition. As rightly pointed out by this Court in Krishnan H. v. State [2015 (1) KHC 822] and other decisions quoted by the learned counsel, when dispute has been raised by the accused doubting the genuineness of the claim of the prosecution, it is for the prosecution to clear the same. In Krishnan's case, it was held that if the sample seal is not appearing in the copy of the forwarding note, it has to be presumed, unless otherwise proved, that such a seal was not