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◈ CORTINA BUSINESS AI · CA INTELLIGENCE ENGINE · v4.2

India's Most
Intelligent CA
Services Suite

AI-powered Chartered Accountancy — ITR filing, GST compliance, audit support, MCA filings, payroll, TDS, financial advisory & more. Trusted by 15,000+ businesses across India.

RBI COMPLIANT
ICAI APPROVED
ISO 27001 CERTIFIED
SSL ENCRYPTED
15,000+
ITR Filed This Year
📄
₹240 Cr+
Tax Savings Achieved
💰
99.8%
Compliance Accuracy Rate
4.9 ★
Client Satisfaction Score
LIVE CA SYSTEM STATUS
INCOME TAX PORTAL — CONNECTED
GST PORTAL — LIVE SYNC
MCA21 — ACTIVE
TRACES PORTAL — ONLINE
ITR FILING FY 2024-25 NOW OPEN GST ANNUAL RETURN GSTR-9 DUE: 31 DEC TDS Q3 RETURN — DUE 31 JAN 2025 NEW TAX REGIME — DEFAULT FOR FY 2024-25 ADVANCE TAX INSTALLMENT — 15 MAR 2025 COMPANIES ACT AMENDMENT 2024 — EFFECTIVE NOW ITR FILING FY 2024-25 NOW OPEN GST ANNUAL RETURN GSTR-9 DUE: 31 DEC
SCROLL
🕐 SYSTEM TIME
--:--:--
--- -- ---
📋 NEXT FILING DUE
GSTR-3B
20 FEB 2025
📈 SENSEX TODAY
73,427
+0.42% ↑
💱 USD / INR
₹ 83.94
LIVE RATE
✅ FILINGS TODAY
248
PROCESSED

◈ COMPLETE CA SERVICES ◈

END-TO-END ACCOUNTANCY SOLUTIONS

From ITR to IPO — AI-powered Chartered Accountancy services for individuals, startups & enterprises

📄
Income Tax Return Filing

AI-powered ITR filing for all categories — salaried, business, capital gains, NRI and more. 100% accurate, zero penalty guarantee.

  • ITR-1, 2, 3, 4, 5, 6, 7 — All forms covered
  • Capital gains computation (equity, MF, property)
  • Form 16 / 26AS auto-fetch & reconciliation
  • New vs Old regime optimization AI
  • NRI & foreign income returns
LIVE · PORTAL CONNECTED
🧾
GST Compliance Suite

Complete GST lifecycle management — registration, return filing, reconciliation, audit, refunds and advisory for all businesses.

  • GSTR-1, 3B, 9, 9C auto-filing
  • E-invoice & E-way bill management
  • ITC reconciliation with GSTR-2A/2B
  • GST audit & annual return
  • GST refund processing
GST PORTAL SYNCED
🏢
MCA & Company Compliance

Complete Companies Act compliance — incorporation, ROC filings, board meetings, statutory records and annual filings.

  • Company / LLP incorporation
  • ROC annual filing (AOC-4, MGT-7)
  • DIR-3 KYC, DIN, DSC services
  • Board minutes & statutory registers
MCA21 — ACTIVE
💸
TDS / TCS Management

End-to-end TDS/TCS compliance — calculation, payment, quarterly returns, certificates and TRACES management.

  • Form 24Q, 26Q, 27Q, 27EQ filing
  • Form 16 / 16A generation & distribution
  • TRACES reconciliation & corrections
  • Lower deduction certificate (Form 13)
TRACES LIVE
🔍
Statutory & Tax Audit

Comprehensive audit services by certified CAs — statutory audit, tax audit, internal audit, stock audit and forensic audit.

  • Statutory audit under Companies Act
  • Tax audit u/s 44AB (Form 3CA/3CB/3CD)
  • Internal audit & risk assessment
  • Forensic & fraud investigation
ICAI STANDARDS COMPLIANT
👥
Payroll & HR Compliance

Automated payroll processing with full statutory compliance — PF, ESI, PT, gratuity, bonus and salary structuring.

  • Monthly payroll & salary slip generation
  • PF (EPF/EPS) monthly returns & challan
  • ESIC monthly returns & challan
  • Salary structuring for tax optimization
EPFO & ESIC INTEGRATED
◈ CORTINA AI TAX ENGINE v4.2 · FY 2024-25 · LIVE COMPUTATION

INCOME TAX CALCULATOR

Real-time Old vs New regime comparison · All deductions · Accurate slab-wise breakdown

DEMO MODE
Free Preview · Basic tax computation active. Premium login ke baad milega: AIS/26AS auto-fetch, AI notice scanner, advance tax alerts, all ITR forms, unlimited calculations & more.
⬡ INPUT PARAMETERS
₹1.5L
₹25K
₹0
₹0
IT ACT 2024-25
BUDGET 2024 RATES
4% CESS APPLIED
SURCHARGE INCLUDED
◈ REGIME COMPARISON
OLD REGIME
₹ —
Computing...
NEW REGIME
₹ —
Computing...
🤖
Enter your income details and click Compute Tax — our AI will recommend the best regime for maximum savings.
◈ INCOME SUMMARY
Gross Total Income
₹ —
Total Deductions (Old)
₹ —
Net Taxable (Old)
₹ —
Net Taxable (New)
₹ —
Tax Before Cess (Old)
₹ —
Tax Before Cess (New)
₹ —
Education Cess (4%)
₹ —
Savings vs Best
₹ —
◈ EFFECTIVE TAX RATE
OLD REGIME—%
NEW REGIME—%
◈ TAX SLAB BREAKDOWN
₹0 – 2.5L
0%
₹ 0
₹2.5L – 5L
5%
₹ 0
₹5L – 10L
20%
₹ 0
Above ₹10L
30%
₹ 0
87A REBATE · SURCHARGE · 4% CESS INCLUDED IN FINAL FIGURE
◈ DEDUCTIONS APPLIED (OLD REGIME)
Std Deduction
₹50,000
80C (ELSS/PPF..)
₹0
80D (Health Ins)
₹0
HRA Exemption
₹0
NPS 80CCD(1B)
₹0
Home Loan 24(b)
₹0
Other Deductions
₹0
TOTAL DEDUCTIONS ₹ —

◈ HOW IT WORKS ◈

5-STEP INTELLIGENT PROCESS

From document upload to final filing — our AI-powered workflow handles everything

01
📤
Upload Docs

Upload invoices, bank statements, Form 16 securely via encrypted portal

02
🤖
AI Analysis

Our AI engine reads, categorizes and reconciles all financial data automatically

03
👨‍💼
CA Review

Certified CA reviews AI output, applies judgement and optimizes tax position

04
Your Approval

You review the draft return, ask questions, and approve with digital signature

05
🚀
E-Filing Done

Filed directly to IT/GST portal. Acknowledgement delivered in minutes

◈ TAX & GST INTELLIGENCE ◈

SMART TAX MANAGEMENT

Real-time tax computation, regime comparison and filing across all income types

🧠
AI Tax Regime Optimizer

Compare Old vs New regime with all deductions — 80C, 80D, HRA, NPS, home loan — to find maximum savings automatically.

80C ₹1.5L80D HEALTHHRANPS 80CCDHOME LOAN
📅
Advance Tax Planner

AI-driven advance tax computation with automated reminders — avoid interest u/s 234B & 234C.

15 JUN15 SEP15 DEC15 MAR
📈
Capital Gains Calculator

Auto-compute STCG/LTCG on equity, mutual funds, property, gold, crypto with indexation benefit.

EQUITYMFPROPERTYCRYPTO
🔄
GST Reconciliation Engine

Automated GSTR-2A/2B vs purchase register reconciliation — recover eligible ITC automatically.

GSTR-2AITC CLAIMRCM
⚖️
Notices & Assessment Support

AI-assisted response to IT notices — scrutiny, demand resolution, appeal filing before CIT(A) and ITAT.

SCRUTINYCIT(A)ITAT
🌐
International Taxation

NRI taxation, DTAA benefits, foreign income reporting, RSU/ESOP taxation for MNC employees.

NRIDTAARSU/ESOPFORM 67

◈ REAL-TIME COMPLIANCE INTELLIGENCE ◈

COMPLIANCE CALENDAR

Never miss a deadline — AI-driven compliance tracking across all statutory obligations

📊
GSTR-1
11th Every Month
FILED
📋
GSTR-3B
20th Every Month
DUE SOON
💼
TDS RETURN
31st Jan / Jul
ON TRACK
📄
ITR FILING
31st July
PORTAL OPEN
🏢
ROC FILING
30th Sep (AOC-4)
SCHEDULED
👥
PF/ESI
15th Every Month
AUTO-FILED
ADVANCE TAX
15th Mar (Final)
UPCOMING
🔍
TAX AUDIT
30th Sep
IN PROGRESS
◈ UPCOMING DEADLINES — NEXT 90 DAYS
LIVE TRACKING
20 Feb
GSTR-3B Monthly
28 Feb
TCS Return Q3
15 Mar
Advance Tax Final
31 Mar
FY 2024-25 End
31 May
Form 16 Issuance
31 Jul
ITR Filing Deadline

◈ TRANSPARENT PRICING ◈

CHOOSE YOUR PLAN

Flat-fee pricing with no hidden charges — CA-certified, AI-powered, always compliant

INDIVIDUAL
₹999/year
IDEAL FOR SALARIED & FREELANCERS
  • ITR-1 / ITR-4 Filing
  • Regime comparison (Old vs New)
  • Capital gains computation
  • Email support within 24 hrs
  • GST Return Filing
  • Virtual CFO
ENTERPRISE
Custom
PRICING
FOR COMPANIES & GROUPS
  • Full audit support
  • Multi-entity management
  • Virtual CFO services
  • Transfer pricing compliance
  • FEMA & international tax
  • 24×7 dedicated CA team

◈ CLIENT STORIES ◈

TRUSTED BY 15,000+ BUSINESSES

Cortina Business AI saved us ₹4.2 lakhs in tax by perfectly optimizing our regime. Best CA decision ever.
★★★★★
RAJESH KUMAR SHARMA
FOUNDER · TECHVISION SOLUTIONS, DELHI
GST ITC reconciliation used to take 3 days. Their AI does it in 20 minutes with higher accuracy. Absolute game changer.
★★★★★
PRIYA MEHTA
CFO · MEHTA GARMENT INDUSTRIES, SURAT
NRI with US income — complex tax situation sorted perfectly. DTAA, foreign tax credit, everything handled.
★★★★★
AMIT SINGHVI
SOFTWARE ENGINEER · SUNNYVALE, CALIFORNIA
◈ CORTINA GST INTELLIGENCE MODULE · DEMO VERSION · GST ACT 2017

GST COMPLIANCE SUITE

GSTIN validator · GST calculator · GSTR filing tracker · ITC reconciliation · E-Invoice generator · HSN finder

DEMO MODE
Free Preview — limited to demo data. CA / Professional Premium login ke baad: live GSTN API, actual ITC mismatch alerts, bulk reconciliation (10K+ invoices), GSTR auto-filing, late fee calculator & priority CA support.
⬡ GST CALCULATOR — CGST / SGST / IGST
%
◈ GST COMPUTATION RESULT
TAXABLE VALUE
₹1,00,000
TOTAL GST
₹12,000
INVOICE TOTAL
₹1,12,000
CGST (6%)₹ 6,000
SGST / UTGST (6%)₹ 6,000
GST Rate12%
Supply TypeIntra-State
ITC AvailableYes (Full)
GSTR-1 ReportingB2B (GSTIN required)
Place of SupplySame State
NET PAYABLE (after ITC)₹ 12,000
◈ GSTR FILING STATUS — FY 2024-25 (DEMO DATA)
8
RETURNS FILED
2
PENDING / OVERDUE
3
UPCOMING (30 DAYS)
₹0
LATE FEE ACCRUED
RETURN TYPEPERIODDUE DATEFILED DATE TAX PAIDLATE FEESTATUS
PREMIUM FEATURES — LOCKED
🔒 Auto-File GSTR-1
🔒 Bulk Invoice Upload
🔒 Late Fee Calculator
🔒 Interest u/s 50 Calc
🔒 WhatsApp Deadline Alerts
◈ ITC RECONCILIATION — DEMO
MATCHED ITC (GSTR-2B vs Purchase)82%
UNMATCHED (Supplier not filed)11%
PENDING VERIFICATION7%
SUPPLIERGSTR-2BPURCHASESTATUS
INFOSYS LTD₹42,300₹42,300✓ Match
RELIANCE RETAIL₹18,750₹20,000✗ Miss
AMAZON SELLER₹8,400✗ N/A
HDFC INSURANCE₹6,200₹6,200✓ Match
ZOMATO PAYMENTS₹3,100⟳ Pending
MICROSOFT INDIA₹14,500₹14,500✓ Match
FLIPKART SELLER₹9,800₹11,200✗ Partial
◈ ITC ELIGIBILITY CHECKER
✓ FULLY ELIGIBLE
Input goods used in manufacturing/trading are fully eligible for ITC under Section 16. Conditions: supplier must file GSTR-1, tax invoice mandatory, goods/services received, and payment within 180 days.
ITC CLAIMABLE ₹ 50,000
🔒 PREMIUM — RULE 42/43 REVERSAL CALCULATOR
Automatic proportionate ITC reversal for mixed/exempt supplies, TPOR calculator, ineligible ITC report & GSTR-3B auto-population.
◈ E-INVOICE GENERATOR — DEMO
DESCRIPTIONHSNQTYRATEGST%
◈ INVOICE PREVIEW
E-INVOICE — DEMO PREVIEW
📱
IRN: a3d0a8c5f1234abc...ef78 (Demo — IRN generated after premium login)
Invoice No.INV-2025-0041
Invoice Date22-02-2025
Supplier GSTIN27AABCU9603R1ZX
Buyer GSTIN29GGGGG1314R9Z6
Taxable Value₹ 90,000
CGST₹ 8,100
SGST₹ 8,100
Total GST₹ 16,200
INVOICE TOTAL₹ 1,06,200
🔒 PREMIUM: Real IRN from IRP · QR Code · E-Waybill · PDF Download · Email to Buyer
◈ HSN / SAC CODE FINDER
🔍
◈ GST RATE QUICK REFERENCE
0% — NIL RATED
Fresh vegetables, milk, eggs, wheat, rice (unprocessed), books, newspapers, contraceptives, fresh meat, fish, salt, oral rehydration salts
5% — ESSENTIAL GOODS
Packaged food, apparel below ₹1000, footwear below ₹1000, household goods, life-saving drugs, solar panels, kerosene
12% — STANDARD
Computers, processed food, mobile phones, ayurvedic medicines, butter, ghee, packed coconut water, umbrellas
18% — MOST SERVICES
IT services, banking, telecom, hotels (₹2500-7500/night), restaurants (AC), CA / legal / consulting services, construction
28% — LUXURY / SIN GOODS
Cars, tobacco, aerated drinks, 5-star hotels, cinemas, air conditioners, cement, paint, gambling
◈ GSTIN VALIDATOR & BUSINESS LOOKUP
Format: STATE(2) + PAN(10) + ENTITY(1) + Z + CHECK(1)
Enter a GSTIN above to validate
🔒 PREMIUM: LIVE GSTN API LOOKUP
Real-time GSTN portal verification · Registration status · Business name · Jurisdiction · Return filing history · Composition status
◈ GSTIN STRUCTURE DECODER
Enter GSTIN to decode →
STATE CODES (POPULAR)
01: J&K · 02: HP · 03: PB · 04: CG · 06: HR · 07: Delhi · 08: RJ · 09: UP · 10: Bihar · 11: SK · 12: AR · 16: Meghalaya · 17: Manipur · 18: Assam · 19: WB · 20: JH · 21: Odisha · 22: CG · 23: MP · 24: GJ · 27: MH · 29: KA · 32: KL · 33: TN · 36: TG · 37: AP
CORTINA BUSINESS AI

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CA & Professional premium login ke baad milega full access — live GSTN API, AIS/26AS auto-fetch, unlimited calculations, AI advisory & dedicated CA manager.

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◈ FREQUENTLY ASKED ◈

COMMON QUESTIONS

READY TO SIMPLIFY YOUR FINANCES?

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