" [20]. In E.Michael Raj v. Intelligence Officer, Narcotic Control Bureau, 2008 2 SCC (Cri) 558, the isolation theory was adopted in respect of heroin and only to get over that, the notification dated 19.10.2001 was amended on 18.11.2009 with the inclusion of footnote No.4 to the notification. The constitutional validity of this amendment has been upheld by a Division Bench of this Court in Sadiq Basha v. Union of India in W.P.No.28702 of 2015 dated 01.10.2015 and John Paul v. Union of India in W.P.No.28715 of 2015 dated 01.10.2015. The said amendment also came up for consideration before a Division Bench of this Court in M.Veludurain v. State, rep. by the Superintendent of Customs, Special Narcoic Cell, Nagercoil, 2012 1 LAW (Cri) 70, wherein, the Division Bench held that post 18.11.2009, purity test need not be performed. In para 23 of M.A. Jinna, 2017 1 LW (Cri) 543, the learned Judge has stated that he finds support from the reasoning in the decision of the Apex Court in Mohd. Sahabuddin and another vs. State of Assam, 2012 13 SCC 491, whereas, on a closer scrutiny of the said judgment, it is seen that it is opposed to the isolation theory propounded in M.A.Jinna, 2017 1 LW (Cri) 543, as could be seen from para Nos.10, 11 and 12 of Mohd. Sahabuddin's case which are as under: