Tax can be classified as follows: 1. On the basis of form (a) Direct tax: direct taxes are those which are paid by the person on whom these are imposed and the real burden is also borne by them, such as taxes on income, wealth, consumption, inheritance, gift, expenditure, etc. (b) Indirect taxes: an indirect tax is imposed on one person but paid partly or wholly by another, owing to a consequential change in terms of some contract of bargain between them. 2. On the basis of income or consumption method (a) Proportional tax: in an proportional tax, the rate schedule is one in which the rates of tax remains constant with the change in the tax base. The amount of tax payable can be estimated by multiplying the tax base with the tax rate. In this case the tax liability increases in the same proportion as the increase in income. This type of taxation is quite simple and one can understand it without difficulty. (b) Progressi