Income tax is one of the main resources of revenue of government. Every individual person who earns income more than the exempted limit will liable to pay the income tax. The Indian Income tax system levies tax on individual taxpayers depending on their income level. The Union Budget 2025 has brought significant changes to India’s personal income tax structure, raising the question: “Should you opt for the old tax regime versus the new tax regime?” Whether you’re a salaried professional or a self-employed individual, making the right choice between the old regime vs new regime can help optimise your overall tax liability. In this study we compare the both the system on the basis of their advantages and disadvantages and tax liability, more money in hands, savings for future, easy processing and speedy return