Service of notice

26. On receipt of reference the court shall cause a notice to be served on the following persons, specifying the day on which the court shall proceed to determine the objection and directing their appearance before the court on the specified day, namely :- (a) the applicant; (b) all persons interested in the objection except such (if any) of them as have consented without protest to receive payment of the compensation determined; and (c) the State through Collector, if the objection is in regard to the amount of compensation.