Old or New Tax Regime - which one should you opt for? Has your employer also asked you to tell which income tax regime you want to adopt in the current financial year? The Old Tax Regime that has been going on for years, which provides benefits of lots of deductions and exemptions, or the New Tax Regime with better tax slabs? If you have not been able to reach any conclusion in this regard yet, then before taking any decision, understand the advantages and disadvantages of both the tax regimes thoroughly.