Indian GST, Tax & Accounting Decision Engine
Engineered in accordance with the Central Goods and Services Tax (CGST) Act, Income Tax Act 1961, and Companies Act 2013. Instant calculations with printable audit slips.
Statutory Disclaimer & Compliance Notice (Income Tax Act S.278 & Central GST Act 2017)
Informational & Indicative Aid Only: All calculations, tax liability estimates, input tax credit schedules, late fee computations, distance thresholds, and statutory due dates generated by these calculators are automated preliminary computational aids provided free of charge for informational and educational purposes only. Rates, cess schedules, and thresholds reflect standard provisions applicable for FY 2024–25 and FY 2025–26 (Assessment Years 2025–26 / 2026–27).
Professional Advisory Mandate: Tax legislation, CBIC circulars, and judicial interpretations are subject to ongoing amendments. Neither akcount.in nor its operating fiduciary M/s SS Enterprise operates as a registered tax practitioner or statutory certifier under this public tools suite. In compliance with Section 278 of the Income Tax Act 1961 (liability for false statements in statutory computations) and GST penal provisions, all computations, return reconciliations (GSTR-1, GSTR-3B, GSTR-9, ITR), and statutory payments must be independently verified and audited by your practicing Chartered Accountant (CA) or Tax Consultant before official filing.
Select a Statutory Calculator
Multi-Slab GST & RCM Calculator
Compute forward and reverse charge across 5%, 12%, 18%, and 28% slabs with CGST/SGST/IGST breakdown.
GSTIN Checksum & State Validator
Validate 15-digit GSTIN checksum algorithms, state jurisdiction codes, entity types, and PAN parity.
GSTR-2B vs 3B ITC Eligibility
Check Rule 36(4) and Section 16(2)(aa) eligibility, supplier filing dates, and provisional ITC disallowance.
HSN / SAC Code & Slab Finder
Search official 4/6/8 digit HSN codes, descriptions, and current GST tax rates with compensation cess flags.
E-Way Bill Distance & Validity
Calculate Rule 138(10) transit expiry hours based on normal vs over-dimensional cargo (ODC) road distance.
E-Invoice (IRN) Threshold Checker
Determine whether ₹5 Cr aggregate turnover thresholds mandate electronic invoice generation for your entity.
GST Late Fee & Interest (Sec 50)
Compute Section 50(1) net cash tax liability interest at 18% p.a. and daily capped late fees for delayed returns.
Quarterly Advance Tax Planner
Plan Section 208 quarterly installment installments (15%, 45%, 75%, 100%) and avoid Sec 234C interest penalties.
TDS Section 194C / 194J / 194Q
Verify threshold limits, PAN vs non-PAN higher rates (Sec 206AA), and challan due dates for vendor payments.
HRA Exemption (Rule 2A)
Compute tax-exempt House Rent Allowance based on basic salary, actual rent, and 50% / 40% metro city rules.
Schedule II Depreciation
Calculate Companies Act 2013 straight-line (SLM) and written-down value (WDV) rates from useful life years.
MSME 43B(h) Interest & Disallowance
Calculate compound interest at 3x RBI bank rate under MSMEDA Act Section 16 for bills delayed past 45/15 days.