Compensation not admissible

(1) No compensation shall be awarded- (a) if and in so far as the land rs subject to substantially similar restriction in force under some other law rn force on the date on which the restrictions were imposed by or under this Act ; or (b) lf compensation rn respect of the same restrictions were imposed by or under thts Act or substantially similar restrictions rn force under some other law has already been pard rn respect of the land to the claimant or any predecessor in interest ofthe claim; or (c) for removal of any encroachment. (d) to a person not having nght to carry any activity on the said land or otheMise use the land. (2) Whosoever undertakes an unauthorized activity, then any increase in the land value from such activity shall not be taken into account tn estimatlng the value of land.