Punishment–Guideline with regard to award maximum punishment–Provision does not create any distinction between various kinds of Narcotic Substances and prescribes only minimum sentence in case of Narcotic Substances exceeds ten kilograms–Held: Court has to consider as to in what cases death should be awarded and in what cases imprisonment for life–Further held: If a convict undergoing life imprisonment under S. 9(c) of Control of Narcotic Substances Act, 1997, is convicted for second time under same proviso–No provision in our Control of Narcotic Substances Act, 1997