FD uses quarterly compounding (common bank convention). RD uses end-of-month installment approximation. TDS on interest may apply above thresholds — confirm with your bank.
Maturity ≈ ₹6,20,273
Interest ≈ ₹1,20,273
Deposited ₹1,20,000 · Maturity ≈ ₹1,29,154
Interest ≈ ₹9,154