RealBill Editorial
Blog: Tax, Finance and Calculator Guides
Simple guides for income tax, HRA, SIP, EMI, GST, salary planning, and practical India finance decisions.
Browse by topic cluster
Topic clusters help search engines and readers understand how guides, tools, and calculators connect.
GST Invoice
Quotation
Finance GuideLatest guideIncome Tax Slabs FY 2026-27: Old vs New Regime with 5 Salary Examples
Compare old and new tax regime slabs for FY 2026-27 with five worked salaried examples from Rs 6 lakh to Rs 24 lakh gross, plus a decision checklist for regime selection.
Income Tax CalculatorRead more
GST InvoiceHow to Make a GST Invoice in India — Complete 2026 Format Guide
GST Invoice GeneratorComplete GST invoice guide for 2026: mandatory fields, HSN/SAC codes, CGST/SGST vs IGST split, invoice numbering rules, e-invoicing thresholds, and GSTR-1 reconciliation for small business.
Read more
Finance GuideSalary Slip Format India 2026 — Every Component Explained
Take-Home Salary CalculatorHow to read your Indian salary slip in 2026: basic pay, HRA, allowances, PF, professional tax, TDS, and net pay explained with a worked Rs 60,000 example and tax-planning checklist.
Read more
Finance GuideHRA Exemption — Metro vs Non-Metro Cities 2026
HRA CalculatorSection 10(13A) HRA exemption explained: the minimum-of-three formula, 50% metro vs 40% non-metro rule, worked examples for Mumbai and Pune, rent proof requirements, and common claim mistakes.
Read more
Finance GuideSection 80C — Best Investment Options in 2026 (PPF, ELSS, EPF, NPS)
80C PlannerPPF vs ELSS vs EPF vs NPS compared head-to-head for the Rs 1.5 lakh Section 80C bucket: returns, lock-in, risk, taxation of maturity, and which mix suits your age and goals.
Read more
Finance GuideSection 80D Health Insurance Deduction (FY 2026-27): Limits, Parents, Preventive Checkup
Income Tax CalculatorComplete Section 80D guide: Rs 25,000/50,000 limits for self and parents, senior citizen rules, preventive health checkup sub-limit, and worked examples for maximum old-regime tax saving.
Read more
Finance GuideAdvance Tax in India (2026): Due Dates, 234B/234C Interest, and Who Actually Needs to Pay
TDS CalculatorAdvance tax explained for salaried employees and freelancers: the Rs 10,000 threshold, quarterly due dates, Section 234B and 234C interest, and a worked freelancer example.
Read more
Finance GuideForm 16 Kaise Padhein: Part A, Part B, aur AIS se Reconciliation (2026)
Income Tax CalculatorForm 16 decoded for salaried taxpayers: what Part A and Part B contain, how to match them with your payslips and AIS, common mismatches, and a pre-filing reconciliation checklist.
Read more
Finance GuideSIP Step-Up Strategy (2026): Har Saal SIP Badhane ka Compounding Magic
SIP Step-Up CalculatorStep-up SIP explained with real math: how increasing your SIP 10% yearly changes a 20-year corpus, salary-linked step-up rules, when to pause, and goal-based planning with calculators.
Read more
Finance GuideSection 24(b) Home Loan Interest Deduction: Rs 2 Lakh Rule, Self-Occupied vs Let-Out (2026)
EMI CalculatorHome loan interest deduction under Section 24(b) explained: Rs 2 lakh self-occupied cap, let-out property rules, pre-construction interest, 80C principal combo, and regime comparison.
Read more
Finance Guide13 Lakh Salary Tax in India (FY 2026-27): Old vs New Regime with Worked Examples
Income Tax CalculatorDetailed, practical guide for salaried users to estimate tax on 13 lakh salary under old and new regimes with realistic deduction scenarios and TDS planning steps.
Read more
Finance GuideIndian Land Units State-Wise Guide: Bigha, Gunta, Katha, Kanal, Marla Explained
Land Area ConverterUnderstand traditional Indian land units across states and convert them to standard units for pricing, stamp duty, and documentation clarity.
Read more
Finance GuideTake-Home Salary Calculation in India (2026): CTC se In-Hand Pay Tak
Take-Home Salary CalculatorStep-by-step guide to estimate monthly in-hand salary from CTC: basic pay, HRA, PF, professional tax, TDS, and regime impact — with a practical worksheet approach.
Read more
Finance GuideHome Loan EMI Planning in India (2026): Tenure, FOIR, and Prepayment Basics
EMI CalculatorPractical home loan planning guide: EMI formula, how banks check FOIR, tenure vs interest trade-off, and when prepayment makes sense — with calculator workflow.
Read more
Finance GuideSection 80C Deduction Planning (FY 2026-27): Rs 1.5 Lakh Bucket Kaise Bharein
80C PlannerComplete old-regime guide to the Rs 1.5 lakh Section 80C limit: PPF, ELSS, EPF, LIC, tuition fees, home loan principal — with priority order and proof checklist.
Read more
Finance GuideTDS on Salary in India (FY 2026-27): Monthly Cut, Form 16, and Reconciliation
TDS CalculatorUnderstand how employers calculate monthly TDS on salary, why in-hand pay changes mid-year, and how to reconcile with Form 16 and AIS before filing.
Read more
Finance GuideCompound Interest vs Simple Interest in India (2026): Practical Guide with Real Examples
Compound Interest CalculatorUnderstand simple vs compound interest with clear formulas, worked Indian examples, compounding frequency impact, and a practical checklist before choosing FD, RD, debt, or market-linked options.
Read more
Finance GuideLumpsum vs SIP in India (2026): Kaun Better Hai, Kab, Aur Kis Goal Ke Liye?
Lumpsum CalculatorDetailed comparison of lumpsum and SIP for Indian investors: timing risk, volatility handling, CAGR interpretation, and a practical allocation framework by goal horizon.
Read more
Finance GuideDiscount Pricing Formula Guide (India): Sale Offers, Margins, and Final Price Clarity
Discount CalculatorLearn how to calculate single and stacked discounts correctly, avoid margin mistakes, and apply better pricing logic for quotations, invoices, and ecommerce offers.
Read more
Finance GuideStandard Deduction in New Tax Regime 2026: Rs 75,000 Salary Benefit Explained
Income Tax CalculatorUnderstand the Rs 75,000 standard deduction in the new tax regime for salaried employees and pensioners, how it affects taxable income, zero-tax salary logic, and calculator inputs.
Read more
Finance GuideCan You Claim HRA in New Tax Regime 2026? Old vs New Regime Guide
Income Tax CalculatorClear guide for salaried employees on HRA exemption in the new tax regime, when old regime may still save tax, documents needed, and how to compare both regimes with calculators.
Read more
Finance GuideNew Regime Calculator Guide (2026): Input Kya Dalein, Result Kaise Samjhein
Income Tax CalculatorStep-by-step guide for the New Regime calculator. Learn which salary fields to enter, how deductions differ from old regime, and how to read taxable income results correctly.
Read more
Finance GuideSection 10(13A) HRA Calculator Guide: Old Regime Inputs, Formula, and Mistakes (2026)
HRA Exemption CalculatorStep-by-step Section 10(13A) HRA calculator guide for India. Learn how to use Basic + DA + rent, old regime rules, metro/non-metro limits, and documentation required for claim.
Read more
Finance GuideHRA Exemption Calculator (Metro vs Non-Metro): Old Regime Comparison Guide
HRA Exemption CalculatorCompare metro vs non-metro HRA exemption in old regime with practical salary and rent examples. Understand 50% vs 40% cap and when it changes your taxable HRA.
Read more
Finance GuideGratuity Calculator 4 Years 240 Days Rule: Eligibility and Estimation Guide
Gratuity CalculatorUnderstand the frequently searched 4 years 240 days gratuity rule in India. Learn when it may apply, how to estimate with years and months, and what to verify before resignation.
Read more
Finance GuideGratuity Calculator for Private Employees in India: Salary Inputs, Years, and Tax
Gratuity CalculatorPractical gratuity calculator guide for private employees in India. Learn which salary components to enter, how years/months affect estimate, and how gratuity tax exemption works.
Read more
Finance GuideEPF (Employee Provident Fund) Complete Guide India 2026: Contribution, Interest, Withdrawal, Tax
EPF CalculatorEverything salaried employees need to know about EPF in India — contribution rates, current interest rate, withdrawal rules, tax treatment, and how to check your EPF balance online.
Read more
Finance GuideFixed Deposit (FD) in India 2026: Interest Rates, Calculation, Tax Rules, and Smart Strategies
FD CalculatorComplete guide to fixed deposits in India — compare bank FD rates, understand how interest is calculated, learn TDS rules, and discover strategies to maximize your FD returns in 2026.
Read more
Finance GuideGratuity Calculation: Rules, Formula, Eligibility and Examples (2026)
Gratuity Calculator IndiaComplete guide to gratuity calculation in India. Understand Section 4(2) of Payment of Gratuity Act, 5-year rule, formula, ₹25 lakh cap, tax exemption under 10(10), and worked examples for 8-year and 15-year employees.
Read more
Finance GuidePPF Account Complete Guide: Interest Rate, Tax Benefits, Withdrawal Rules (2026)
PPF Calculator IndiaComplete guide to Public Provident Fund (PPF) in India. Current interest rate 7.1%, 15-year lock-in, partial withdrawal rules, loan facility, Section 80C benefit, EEE status, comparison with FD/NPS, and worked examples.
Read more
Finance GuideSIP for Beginners India: How to Start, Calculate Returns, and Choose Funds (2026)
SIP Calculator IndiaBeginner's guide to SIP in India. Learn what SIP is, SIP vs lump sum, power of compounding with examples, step-up SIP, how to choose equity/debt/hybrid funds, ₹1000/month for 20 years example, and tax on mutual fund gains.
Read more
Finance GuideEMI Flat Rate vs Reducing Balance: Which Costs More? (Complete Comparison)
EMI Calculator IndiaComplete comparison of flat rate vs reducing balance EMI methods. Same loan at '10%' costs very differently under each method. Includes real number examples, conversion formula, RBI guidelines, and when prepayment makes sense.
Read more
Finance GuideNPS Tier 1 vs Tier 2: Differences, Tax Benefits, Returns, and Which to Choose
NPS Calculator IndiaComplete comparison of NPS Tier 1 vs Tier 2 accounts. Tax benefits under 80CCD(1B), lock-in rules, 60% lump sum + 40% annuity, asset classes E/C/G/A, returns comparison, and which to choose based on your goals.
Read more
GST InvoiceHow to Create a GST Invoice in India - Complete Guide with Examples (2026)
GST Invoice Generator IndiaLearn how to create a GST invoice in India. Understand mandatory fields, HSN codes, CGST/SGST/IGST rules, real invoice examples with calculations, and common mistakes to avoid.
Read more
Finance GuideHRA Metro Expansion 2026: Bengaluru, Hyderabad, Pune, Ahmedabad Impact
HRA Calculator with ExamplesUnderstand the 50% HRA metro treatment expansion and how employees in Bengaluru, Hyderabad, Pune, and Ahmedabad should recalculate exemptions.
Read more
GST InvoiceSection 393 TDS Consolidation in Income Tax Act 2025: What Businesses Should Do
GST Invoice GeneratorA practical guide to Section 393 consolidation of TDS provisions, including contractor, rent, and professional payment workflows for small businesses.
Read more
Finance GuideIncome Tax Act 2025: Tax Year Explained for Salaried Users and Freelancers
Income Tax Calculator (Old vs New)Understand how the new Income Tax Act 2025 replaces Assessment Year language with Tax Year, and what this means for filing, planning, and payroll declarations.
Read more
QuotationHow to Create a Professional Quotation - Format, Tips, and Best Practices
Quotation GeneratorLearn how to create professional quotations that win clients. Covers quotation format, essential elements, validity periods, payment terms, and tips to convert quotes into orders.
Read more
GST InvoiceInvoice vs Quotation vs Proforma Invoice - Key Differences Explained
GST Invoice GeneratorUnderstand the difference between a quotation, proforma invoice, and tax invoice. Learn when to use each document in your business workflow with real examples.
Read more
Best next step after reading
Move from explanation to action with tools that match the articles users are most likely to read next.
GST Invoice workflow
Read invoicing guides, then generate a clean invoice with automatic tax splits.
Tax planning calculator
Use blog examples first, then compare old vs new regime with your own salary inputs.
Investment scenario planning
Pair long-form finance articles with quick SIP, FD, and retirement projections.