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Banking Education
Nominal vs Effective Interest Rate
The advertised rate isn't what you actually pay.
A loan advertised at 12% flat rate sounds cheaper than 12% reducing balance — but a flat rate means interest is calculated on the full principal for the entire tenure, even as you repay. A 12% flat rate actually costs you ~21.6% effective. Always compare on reducing balance. Personal loans from banks typically use reducing balance; instant loan apps often use flat rates that appear cheaper but cost far more.
How Processing Fees Affect Loan Cost
A 1% processing fee on a ₹10L loan = ₹10,000 gone upfront.
Processing fees reduce the actual money you receive. On a ₹10,00,000 loan with 1% processing fee, you receive ₹9,90,000 but repay interest on ₹10,00,000. Always factor processing fees into your effective cost. Some banks waive processing fees during offers — that can save you thousands. Compare the total cost (interest + fees), not just the interest rate.
How Minimum Balance Affects Account Selection
A ₹10,000 AMB requirement can cost you ₹600+ per year in penalties.
Average Monthly Balance (AMB) is the minimum average you must maintain. If your balance drops below this, banks charge penalties (typically ₹100-600/month). Zero-balance accounts (salary accounts, basic savings) have no AMB requirement. If you can't reliably maintain ₹10,000+, choose a zero-balance or low-AMB account. The penalty alone can exceed the interest you earn.
How Credit Card Rewards Really Work
A 5% cashback card isn't always better than a 1.5% flat card.
Reward rates vary by spend category. A 5% cashback on online spends might give only 0.5% on offline. A 1.5% flat cashback on all spends might earn more if you spend mostly offline. Also watch: annual fees (net benefit = rewards - fee), reward expiry, capping limits, and redemption fees. Calculate your actual annual net benefit based on your spending pattern — not the headline rate.
RightBank AI is an independent banking services platform and not a bank or NBFC. Product approvals, rates, and terms are subject to respective financial institution policies. Information is for guidance only and does not constitute financial advice.