What are the tax slabs in old regime as govt leaves it unchanged?

Finance Minister Nirmala Sitharaman announced changes to the tax slabs in New Tax Regime and left Old Tax Regime unchanged. Taxpayers earning up to ₹2.5 lakh/year don't have to pay tax under the old regime. For those earning ₹2.5 lakh-₹5 lakh, 5% tax is charged and 20% on ₹5 lakh-₹10 lakh. Those earning above ₹10 lakh are charged 30% tax.