TNVAT Commercial taxes portal is ctd.tn.gov.in,  is a multi point levy where the tax paid on local purchases from the registered dealer can be set off against the tax payable on the sale of goods, other than special goods. TNvat  E-services using, The registration number allotted to the dealers is popularly known as TIN i.e. … Continue reading TNVAT Commercial taxes Registration Login guide at ctd.tn.gov.in