In the old tax regime, there is nil tax up to the limit of Rs 2.50 lakh. From Rs 2.50 lakh to Rs 5 lakh income, there is five per cent income tax on income above Rs 2.50 lakh. Taxpayers under the new tax regime have to pay nil income tax up to the earnings of Rs 2.50 lakh. The tax slab for Rs 2.50-Rs 5 lakh income is five per cent tax on income above Rs 2.50 lakh.