80D Health insurance premium — up to ₹25,000 self/family; ₹50,000 for senior citizen parents
80CCD(1B) NPS self-contribution — additional ₹50,000 over and above 80C limit
80CCD(2) Employer NPS contribution — up to 14% of basic salary (also available in New Regime)
80E Education loan interest — unlimited deduction for 8 years
80G Donations to approved charities — 50%–100% deduction
24(b) Home loan interest — up to ₹2 lakh for self-occupied property