RBI Quarterly Compounding Formula • Senior Citizen Bonus

Recurring Deposit (RD) Calculator

Calculate your exact bank or Post Office RD maturity amount, total interest earned, and Section 194A TDS implications with official RBI quarterly compounding mechanics.

RBI Quarterly Compounding•Senior Citizen (+0.50%)•TDS Threshold Alert•100% Free & Private

RD Deposit Details

RBI Quarterly Standard

Depositor Category

Monthly Installment (₹)

₹

₹500/mo₹5.0 K/mo₹50,000/mo

Base Interest Rate (% p.a.)

Tenure (3Y 0M)

6 Months3 Years (36M)10 Years (120M)

Maturity Amount

₹2,00,686

3.83% yield

Total Deposit (36 mos):

₹1,80,000

Total Interest Earned:

₹20,686

Principal (90%)Interest (10%)

Total interest is within the ₹40,000 annual TDS threshold.

Understanding the Indian Bank Recurring Deposit (RD) Standard

How the RBI quarterly compounding formula determines maturity payouts for monthly depositors.

1. The RBI Quarterly Compounding RD Formula

Unlike simple interest savings, Indian banks calculate RD interest using quarterly compounding where each monthly installment behaves as an independent fixed deposit running for its remaining tenure:

M = Σ [ P × (1 + r/400)^(4 × (N - k + 1)/12) ] for k = 1 to N

Where: M = Maturity Amount, P = Monthly Installment (₹), r = Annual Rate (%), N = Total Tenure (Months), k = Installment Number

2. Recurring Deposit vs. SIP vs. Fixed Deposit

Feature	Recurring Deposit (RD)	Fixed Deposit (FD)	Mutual Fund SIP
Deposit Frequency	Monthly installment	One-time lump sum	Monthly or quarterly
Risk Profile	Zero risk (DICGC insured up to ₹5L)	Zero risk (DICGC insured up to ₹5L)	Market-linked returns
Expected Returns	6.5% - 7.5% p.a. fixed	6.8% - 7.6% p.a. fixed	12% - 15% CAGR (historical equity)
Taxation	Taxable at slab rate + 10% TDS	Taxable at slab rate + 10% TDS	12.5% LTCG above ₹1.25L exemption

3. Section 194A TDS Rules on Recurring Deposits

Interest accrued on RDs is combined with FD interest earned across all branches of the same bank:

Regular Citizens: 10% TDS applies if combined interest exceeds ₹40,000 per financial year.
Senior Citizens (60+): The exemption ceiling is ₹50,000 under Section 80TTB.
Non-PAN Accounts: TDS rate surges to 20% if valid PAN is not linked to your bank account.

Lump Sum Alternative:If you have a lump sum amount ready to deploy rather than monthly installments, use our Fixed Deposit (FD) Calculator to compare quarterly compounding yields.

Frequently Asked Questions on Recurring Deposits

Detailed answers on bank RD interest formulas, tax thresholds, and senior citizen benefits.

How is interest calculated on Recurring Deposits in India?

In India, bank Recurring Deposits (RDs) follow the Reserve Bank of India (RBI) formula where interest is compounded quarterly. Each monthly installment earns compound interest for the remaining number of quarters until maturity.

Is TDS deducted on Recurring Deposit interest?

Yes, under Section 194A of the Income Tax Act, banks deduct 10% TDS on RD interest if your total annual interest income from the bank exceeds ₹40,000 for regular individuals (₹50,000 for senior citizens). If PAN is not provided, 20% TDS applies.

How can I avoid TDS on my Recurring Deposit?

If your estimated total taxable income is below the basic tax exemption limit, you can submit Form 15G (for individuals below 60) or Form 15H (for senior citizens aged 60+) to your bank to prevent TDS deduction.

What is the minimum tenure for an RD in India?

Most Indian commercial banks offer Recurring Deposits with tenures ranging from a minimum of 6 months up to a maximum of 10 years (120 months), typically in multiples of 3 months. Post Office RDs have a standard 5-year lock-in.

What happens if I miss an RD monthly installment?

Banks usually levy a nominal penalty (typically ₹1.50 to ₹2.00 per ₹100 of deposit per month) for missed monthly installments. If multiple consecutive installments are defaulted, the bank may prematurely close the RD account.

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