In Uttarpradesh Vat Law A Contractor is not deemed like a "Manufacturer" So MAchinery purchased for the use of executing the works is not similiar to machinery used for manufacturing process. Thus a contractor is not allow to purchase plant and machinery agst C form on concessional rate.
Purchased agst C form (on concessional rate 2%) is allowed only when purchased goods is futher-- 1.resold 2.used in mfg process of taxable goods 3.used in distribution of electricity 4. used in communication lines or network. 5.used in mines 6.used as packing material of taxable goods.
In C Form mechanism two states are involved. Seler of goods and purchaser of goods. Thers is a constitutional treaty between the states of India that when a goods is sold from one state of india and thereafter that goods is resold by purchasing state within that state then to avoide cascading effect only second state is empowered to levy and collect tax. first state is empowered to levy tax at concessional rate i.e. 2%. So conclusion is that purchasing state should resold the purchased goods (agst C form) in any way. Otherwise selling state will recover the diff tax with interest and penalty.
As capital goods is not resold by a purchaser so C form is not allowed to issue for purchase of plant and machinery and vehicles.