<i><b><font face="Times New Roman" size="3">Criminal law and procedure - Narcotic Offence - Appellant charged with possession of narcotic drugs - Narcotic Drugs (Control,Enforcement &amp; Sanctions) Law, ss. 56(a), 1(i) - Trial - Mistake in charge sheet - Non-amendment of mistake - Whether it occasioned substantial miscarriage of justice - Criminal Procedure Code,s.112 (2).<br>Plea - Change in appellant's plea - Accepting plea in the absence of attorney - Whether Court committed procedural error - Criminal Procedure Code, s.199.</font></b></i><br>