Nadarajan v. State of Kerala, 2020 (3) KLT OnLine 1030 , it is held that when the specimen seal is not affixed on the seizure mahazar and in the forwarding note, there is no assurance that the very same sample which was allegedly drawn at the spot of occurrence was produced before the court and sent for analysis as per the forwarding note and it has reached the laboratory in a tamper proof condition and tested there. This court in Sasidharn v. State of Kerala, 2007 (1) KLT 720 has considered and emphasized the legal obligation cast on the prosecution to prove that the sample allegedly seized from the accused eventually reached the hand of the chemical examiner in a tamper-proof condition. Relying on the judgment of the Apex Court in State of Rajasthan v. Daulat Ram, AIR 1980 SC 1314 , this court in Sasidharn ’s case supra held that when the sample changed several hands before reaching the chemical examiner, the prosecution has to necessarily examine the various officials who handled the sample to prove that while in their custody, the seal of the sample has not been tampered with. The Apex Court in Vijay Pandey v. State of U.P., AIR 2019 SC 3569 has held that mere production of a laboratory report that the sample tested was the contraband substance cannot be conclusive proof by itself and that the sample seized and one tested are to be correlated. In view of the lacuna pointed out above, it is to be held that the