How to correct a return if tax regime is wrongly entered in the original return

This discussion addresses a common error where an individual mistakenly selected the 'old regime' for their ITR-1 return for AY 2022-23, leading to a higher tax demand and withheld refunds. Unfortunately, the deadline to revise the return has passed, making a direct correction impossible. The advice given is to have carefully compared tax liabilities under both regimes before filing initially.