JUDGMENT

Sen, J.-The dispute in this case is about the leviability of excise duty on paper making machine which was erected by the appellant-company by using duty paid components purchased from the market and also by fabricating certain parts of the machinery in their factory. The duty paid components purchased from the market worked out to about 90% of the parts required for the machine. In respect of the parts fabricated inside the factory of the appellant, no duty was leviable under Notification No. 118/75 dated April 30, 1975 issued by the Government. The case of the appellant is that the excise authority erroneously imposed duty on the paper making machine installed in the factory of the appellant because the Central Excise Act imposes a duty on "all excisable goods produced or manufactured in India". It is well-settled that the "goods" contemplated by Section 3 which is the charging section of the Act must be movable and marketable. The case of the appellant is that the various components of the paper making machine purchased by the appellant had to be put together at the site where the machine was erected and embedded in the ground. Certain components were also to be fabricat