What is difference between levy and tax

A levy is a temporary tax collected by federal, state or local governments and  used for a stated public purpose. A taxpayer can be liable for various levies’  depending on their annual taxable income. In comparison, a tax is usually a  general contribution imposed on individuals, properties or businesses  collected into the government’s consolidated fund and allocated according to  government budgets.

Source: Is it a levy, or is it a tax, or both?(Madeline Taylor) Australia

In India both the words are used synonymously.

Dear it is not giving me full clarity

Are you asking in Indian context?

The general meaning is explained in the link (https://epublications.bond.edu.au/cgi/viewcontent.cgi?article=1229&context=rlj)