(1) The Controller of Drugs may by a general or special order authorise:
(a) any person in-charge of an educational institution or engaged in scientific research to possess and use, for educational or scientific purposes only, essential narcotic drug, in such quantity and in such manner as may be specified in the said order;
(b) a pilot of an aircraft or captain of a ship to possess and use, on the aircraft or ship, as the case may be, in any emergency, essential narcotic drug, in such quantity and in such manner as may be specified in the said order;
(c) a person in-charge of an ambulance or a first-aid station or a first-aid box to possess and use, in an emergency, essential narcotic drug, in such quantity and in such manner as may be specified in the said order.
(2) Every registered medical practitioner, and a person authorised by general or special order under this rule shall maintain day to day accounts in respect of all transactions of essential narcotic drug in Form No. 3D and the records of the daily accounts shall be preserved for a minimum period of two years from the date of last entry.
(3) Every registered medical practitioner shall also maintain a separate record in Form No. 3E for each patient and such record shall be preserved for a minimum period of two years from the date of last entry.
52-1. Suspension and cancellation of authorisation.-(1) Without prejudice to any action that may be taken under the provisions of the Act, the Controller of Drugs may, for the reasons to be recorded in writing, cancel or suspend the authorisation under rules 52A or 52H,-
(a) if the purpose for which the authorisation was granted ceases to exist; or
(b) in the event of any breach, by the holder of such authorisation or by his servant or by any one acting with his express or implied permission on his behalf, of any of the terms and conditions of such authorisation or of any autli.orisa,ion previously held by him.
(2) No order shall be passed under sub-rule (1) unless the authorised person has been given a reasonable opportunity of showing cause against the said order or is heard in person, if he so desires.