The supply of services attributable to different States or Union Territories, under sub section (11) of section 12 of the said Act, in the case of supply of services relating to a leased circuit where the leased circuit is installed in more than one State or Union territory and a consolidated amount is charged for supply of such services, shall be taken as being in each of the respective States or Union Territories, and in the absence of any contract or agreement between the supplier of service and recipient of services for separately collecting or determining the value of the services in each such State or Union territory, as the case maybe, shall be determined in the following manner, namely:-
(a) The number of points in a circuit shall be determined in the following manner:
(b) the supply of services shall be treated as made in each of the respective States or Union Territories, in proportion to the number of points lying in the State or Union Territory.