(1) An appeal under section 9 shall be preferred within six months from the date of service of notice under section 7 or section 8:
Provided that in computing such period the time requisite for obtaining a copy each of the decision and of the map, and also, if necessary, all or any of the months of June, July, August and September, shall be excluded,
(2) No appeal preferred after the expiry of the said period shall be admitted:
Provided that the appellate authority may admit an appeal after the expiry of the said period on being satisfied that the appellant had good and sufficient cause for not preferring the appeal within the said period.
Explanation.—The fact that notice under section 7 or section 8 was no1 served personally on the appellant shall be deemed to be good and sufficient cause within the meaning of the foregoing proviso,
(3) No appeal shall be admitted under sub-section (2) after the issue of the notification specified in section 11.
Completion of demarcarion to be notified.