Profession tax is the tax levied and collected by the state governments in India. It is a indirect tax. A person earning an income from salary or anyone practicing a profession such as chartered accountant, company secretary, lawyer, doctor etc. are required to pay this professional tax. Different states have different rates and methods of collection. In India, profession tax is imposed every month.

Any individual who has business income is said to be operating a proprietorship firm. Proprietorships operating in India are required to file income tax return each year. Since proprietorships are considered to be one and same as the proprietor, the income tax return filing procedure for a proprietorship is similar to individual income tax return filing.

All proprietors below the age of 60 years are required to file income tax return if total income exceeds Rs. 2.5 lakhs. In the case of proprietors over the age of 60 years but below 80 years, income tax filing is mandatory if total income exceeds Rs.3 lakhs. Proprietors over the age of 80 years and above are required to file income tax return if the total income exceeds Rs.5 lakhs.