‘How do I determine when I reach the CPP maximum pension contributions in my working years?’

The calculation typically looks at employment years between ages 18 to 65, but there are considerations around child-rearing ...
Indiatimes

Income Tax Calculator FY 2024-25

Less: Exemptions on Salary income (other than HRA) which are not allowed under New Regime (e.g. Leave travel allowance, Education allowance, Hostel allowance etc.) Less: Exemptions on Salary income ...