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CardMath.in2026 MITCSmart Reward Math
Verified 2026 Bank MITC Rules & RBI ExclusionsUpdated: 2026-03-01

SBI Cashback Credit Card vs HDFC Diners Club Black Metal Edition for ₹30,000 Monthly Spend

Comparing SBI Cashback Credit Card vs HDFC Diners Club Black Metal Edition at ₹30,000/month. SBI Cashback Credit Card wins, delivering ₹10,440 net annual value (2.9% ROI) vs ₹9,855 for HDFC Diners Club Black Metal Edition.

Interactive Head-to-Head Simulator

Test Your Monthly Spend & Category Mix

Simulates real-world capping thresholds, 18% GST deductions, and bank waiver rules in real time.

₹30,000(₹3,60,000/yr)
₹10,000/mo₹1,00,000/mo₹2,50,000/mo
Winner at ₹30,000/mo+ ₹585/yr Higher Value

SBI Cashback Credit Card

Delivers ₹10,440 net annual returns (2.9% ROI) vs ₹9,855 on HDFC Diners Club Black Metal Edition.

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Card A

SBI Cashback Credit Card

SBI Card

₹10,440Net Annual Benefit
Gross Rewards:₹10,440/yr
Effective Fee (incl. GST):Waived (₹0)
Net ROI on Spend:2.9%
Fee Waiver Progress (2L target):100%
Card B

HDFC Diners Club Black Metal Edition

HDFC Bank

₹9,855Net Annual Benefit
Gross Rewards:₹21,655/yr
Effective Fee (incl. GST):₹11,800
Net ROI on Spend:2.74%
Fee Waiver Progress (8L target):45%
2-Card Optimization HackMaximize Trapped / Capped Spend
+₹3,000/year Extra Yield

Pair SBI Cashback Credit Card + Airtel Axis Bank Credit Card

Pair SBI Cashback Credit Card with Airtel Axis Bank Credit Card to capture up to ₹3,000/yr extra on zero-reward categories.

Routes excluded categories:Electricity, Water, Gas & Broadband Bills
Add Airtel →

Detailed 12-Category Rupee Breakdown (@ ₹30,000/mo)

Spend CategoryMonthly SpendSBI Cashback Credit CardHDFC Diners Club Black Metal Edition
Amazon, Flipkart & Myntra Shopping₹7,500/mo₹375 (5%)₹749 (9.99%)
Scan & Pay Merchant UPI₹4,500/mo₹45 (1%)₹150 (3.33%)
Electricity, Water, Gas & Broadband BillsUtility bill payments completely excluded from cashback program₹3,600/mo0% Excluded₹120 (3.33%)
Swiggy, Zomato & Dining Out₹3,600/mo₹180 (5%)₹240 (6.66%)
Blinkit, Zepto, Instamart & Supermarkets₹3,000/mo₹150 (5%)₹100 (3.33%)
Petrol & Diesel at Fuel Stations1% fuel surcharge waiver for transactions between ₹500 and ₹3,000, max waiver ₹100/billing cycle₹2,400/mo0% Excluded0% Excluded
Flights, Hotels & IRCTC Trains₹2,400/mo₹120 (5%)₹396 (16.5%)
LIC, Health & Term Insurance Premiums₹1,500/mo0% Excluded₹50 (3.33%)
House Rent & School/College FeesRent payments attract a processing fee of ₹199 + 18% GST; zero cashback earned₹1,500/mo0% Excluded0% Excluded
International Travel & Forex Spends₹0/mo₹0 (1%)₹0 (3.33%)
Gold, Silver & Jewelry Purchases₹0/mo₹0 (0%)₹0 (0%)
Income Tax, GST & Challan PaymentsGovernment, tax, and challan payments excluded from cashback₹0/mo₹0 (0%)₹0 (0%)
Net Annual Benefit₹3,60,000/yr+₹10,440+₹9,855

Frequently Asked Questions

Which card is better between SBI Cashback Credit Card and HDFC Diners Club Black Metal Edition for ₹30,000/month?▼
At ₹30,000/month (₹360,000/year), SBI Cashback Credit Card mathematically outperforms HDFC Diners Club Black Metal Edition by ₹585/year. SBI Cashback Credit Card delivers ₹10,440 net annual benefit (2.9% effective yield), while HDFC Diners Club Black Metal Edition returns ₹9,855 (2.74% effective yield).
Will the annual fee be waived at ₹30,000 monthly spend?▼
On an annual spend of ₹360,000: SBI Cashback Credit Card annual fee is waived (₹0). HDFC Diners Club Black Metal Edition annual fee is payable at ₹11,800 (incl. 18% GST).
How do reward caps impact the earnings on both cards?▼
At this spend tier, SBI Cashback Credit Card loses ₹0/year to monthly cashback caps, while HDFC Diners Club Black Metal Edition loses ₹0/year. SBI Cashback Credit Card remains uncapped at this spend. HDFC Diners Club Black Metal Edition remains uncapped at this spend.
What is the breakeven monthly spend between SBI Cashback Credit Card and HDFC Diners Club Black Metal Edition?▼
The calculated crossover breakeven spend is ₹32,000/month, where higher-fee benefits overtake the lower-fee option.
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