As the deadline for income tax filling approaches, understanding ways to optimise your tax liability is significant to creating better finances. Did you know? You have an option to choose between the old or the new tax regime. However, also know that the new tax regime became the default tax regime from financial year 2023-24. This means that starting April 1, 2023, if an individual taxpayer did not opt for the old tax regime, the employer would be deducting tax on salary (TDS) based on the new tax regime.