Query regarding sewer cleaning machines

This query is : Resolved

Querist : Anonymous

Querist : Anonymous (Querist)

24 June 2014 Hi respected all. this is my first intro in financial world. Now i am telling my query. one of my friend are manufacturer of sewer cleaning machines, hence is liable for producing excise duty. though they also produce sewer cleaning machines mounted on truck.. now on is he still liable for excise duty. is their any exemption for excise duty when they produce machines mounted on truck as given by the party for the making machines. if yes they are exempt than in which notification i can find it.
Please help me in this regards, Our sewer cleaing machines tariif head under chapter 84. and the hs code 84283200