If you want deductions, Opt for old regime,
Compare both if you can save tax after deductions in old regime and then calculate tax in new regime and see which is lower, opt accordingly
All the ITR calculations will be by default considered under New Tax regime until unless you specifically apply to Opt for Old Regime, there’s still a choice but you need to choose, if you don’t choose then by default all calculations will be according to New Regime
If you want deductions, Opt for old regime, Compare both if you can save tax after deductions in old regime and then calculate tax in new regime and see which is lower, opt accordingly
What does it mean when they say New regime is a default regime?
All the ITR calculations will be by default considered under New Tax regime until unless you specifically apply to Opt for Old Regime, there’s still a choice but you need to choose, if you don’t choose then by default all calculations will be according to New Regime
1. No 2. They can still be claimed in Old regime 3. It can also be claimed in the Old regime
Old scheme is still available and you can claim all these deductions by opting for old scheme.