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TAX, GST & BUSINESS COMPLIANCE — ACROSS INDIA

कर आसान, कारोबार मजबूत

Kar Sathi helps individuals, founders and businesses with ITR filing, GST compliance, business registration, trademark, accounting and ROC filings. We bring clarity to the process, organise the paperwork, and guide you at every important step.

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✔ PAN India Service✔ Secure Documentation✔ Transparent Process✔ Dedicated Support
WHAT WE HELP YOU MANAGE✓
  • 01 ITR FilingIndividuals, professionals & businesses
  • 02 GST ComplianceRegistration, returns & ongoing filings
  • 03 Business RegistrationCompany, LLP & MSME / Udyam
  • 04 Trademark RegistrationProtect the name you are building
  • 05 Accounting & ROC FilingsKeep your business requirements on track
Kar Sathi — कर आसान, कारोबार मजबूत।

Web Stories

Quick guides from Kar Sathi

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GSTR-3B Filing Guide: Everything You Need to Know About Filing GSTR-3B - Kar SathiWeb StoryGSTR-3B Filing GuideEverything You Need to Know About Filing GSTR-3BAIS & TIS Guide: Everything You Need to Know Before Filing Your Income Tax Return - Kar SathiWeb StoryAIS & TIS GuideEverything You Need to Know Before Filing Your Income Tax ReturnMOA & AOA Explained: A Simple Guide for Companies in India - Kar SathiWeb StoryMOA & AOA ExplainedA Simple Guide for Companies in IndiaCompany Registration vs LLP in India: Which Business Structure Should You Choose? - Kar SathiWeb StoryCompany Registration vs LLP in IndiaWhich Business Structure Should You Choose?Startup India Registration: Complete Guide to DPIIT Recognition for Startups in India - Kar SathiWeb StoryStartup India RegistrationComplete Guide to DPIIT Recognition for Startups in IndiaSole Proprietorship Registration in India: A Complete Guide for Starting Your Business - Kar SathiWeb StorySole Proprietorship Registration in IndiaA Complete Guide for Starting Your BusinessPartnership Firm Registration in India: Complete Guide for Starting a Partnership Business - Kar SathiWeb StoryPartnership Firm Registration in IndiaComplete Guide for Starting a Partnership BusinessOPC Registration in India: Process, Documents, Cost and Compliance - Kar SathiWeb StoryOPC Registration in IndiaProcess, Documents, Cost and ComplianceGST E-Way Bill Guide: Everything You Need to Know About E-Way Bills Under GST - Kar SathiWeb StoryGST E-Way Bill GuideEverything You Need to Know About E-Way Bills Under GSTInput Tax Credit (ITC) Guide: Everything You Need to Know About Claiming GST Input Tax Credit - Kar SathiWeb StoryInput Tax Credit (ITC) GuideEverything You Need to Know About Claiming GST Input Tax CreditGST Audit Guide: Everything Businesses Need to Know About GST Audit - Kar SathiWeb StoryGST Audit GuideEverything Businesses Need to Know About GST AuditGST Composition Scheme Guide: Everything Small Businesses Need to Know - Kar SathiWeb StoryGST Composition Scheme GuideEverything Small Businesses Need to KnowGST LUT Registration Guide: Everything You Need to Know About Letter of Undertaking (LUT) - Kar SathiWeb StoryGST LUT Registration GuideEverything You Need to Know About Letter of Undertaking (LUT)IEC Registration: A Complete Guide to Starting Your Import Export Business in India - Kar SathiWeb StoryIEC RegistrationA Complete Guide to Starting Your Import Export Business in IndiaGST Revocation Guide: How to Restore a Cancelled GST Registration - Kar SathiWeb StoryGST Revocation GuideHow to Restore a Cancelled GST RegistrationGST Cancellation Guide: Everything You Need to Know Before Cancelling GST Registration - Kar SathiWeb StoryGST Cancellation GuideEverything You Need to Know Before Cancelling GST RegistrationGSTR-9 Guide: Everything You Need to Know About Annual GST Return Filing - Kar SathiWeb StoryGSTR-9 GuideEverything You Need to Know About Annual GST Return FilingGSTR-1 Filing Guide: Everything You Need to Know About Filing GSTR-1 - Kar SathiWeb StoryGSTR-1 Filing GuideEverything You Need to Know About Filing GSTR-1PAN Card Correction Guide: How to Update Your PAN Details Easily - Kar SathiWeb StoryPAN Card Correction GuideHow to Update Your PAN Details EasilySection 80D Guide: How Health Insurance Can Help You Save Income TaxWeb StorySection 80D GuideHow Health Insurance Can Help You Save Income TaxSection 80C Guide: Everything You Need to Know About Saving Income Tax - Kar SathiWeb StorySection 80C GuideEverything You Need to Know About Saving Income TaxCapital Gains Tax Guide: Everything You Need to Know Before Filing Your Income Tax Return - Kar SathiWeb StoryCapital Gains Tax GuideEverything You Need to Know Before Filing Your Income Tax ReturnAdvance Tax Guide: Everything You Need to Know Before Paying Advance Tax - Kar SathiWeb StoryAdvance Tax GuideEverything You Need to Know Before Paying Advance TaxForm 26AS Guide: Everything You Need to Know Before Filing Your Income Tax Return - Kar SathiWeb StoryForm 26AS GuideEverything You Need to Know Before Filing Your Income Tax ReturnForm 16 Explained: Everything Salaried Employees Need to Know - Kar SathiWeb StoryForm 16 ExplainedEverything Salaried Employees Need to KnowIncome Tax Refund Guide: How to Claim Your Tax Refund in India - Kar SathiWeb StoryIncome Tax Refund GuideHow to Claim Your Tax Refund in IndiaIncome Tax Notice Guide: What It Means and How to Respond - Kar SathiWeb StoryIncome Tax Notice GuideWhat It Means and How to RespondLLP Registration: A Complete Guide for Entrepreneurs in India - Kar SathiWeb StoryLLP RegistrationA Complete Guide for Entrepreneurs in IndiaGST Return Filing: A Complete Guide for Businesses in India - Kar SathiWeb StoryGST Return FilingA Complete Guide for Businesses in IndiaFSSAI Registration: A Complete Guide for Food Businesses in India - Kar SathiWeb StoryFSSAI RegistrationA Complete Guide for Food Businesses in IndiaMSME Registration: A Complete Guide for Small Businesses in India - Kar SathiWeb StoryMSME RegistrationA Complete Guide for Small Businesses in IndiaTDS Return Filing: A Practical Guide Every Business Should Know - Kar SathiWeb StoryTDS Return FilingA Practical Guide Every Business Should KnowTrademark Registration: Complete Guide to Protect Your Brand in India - Kar SathiWeb StoryTrademark RegistrationComplete Guide to Protect Your Brand in IndiaPrivate Limited Company Registration: A Complete Guide for Indian Entrepreneurs - Kar SathiWeb StoryPrivate Limited Company RegistrationA Complete Guide for Indian EntrepreneursGST Registration visual guideWeb StoryGST RegistrationComplete Guide for Businesses in IndiaIncome Tax Return Filing AY 2026-27 visual guideWeb StoryIncome Tax Return Filing AY 2026-27Complete Guide for Salaried & Business TaxpayersTrademark renewal seal, certificate and pen in a premium navy legal settingWeb StoryTrademark Renewal in IndiaProcess, Fees, Deadlines and Restoration
Professional guidance•Transparent communication•Support across India

WHY KAR SATHI

Tax is complicated. Getting help shouldn’t be.

You should not have to guess which documents matter, what to file, or what comes next. Kar Sathi listens first, explains things plainly, and helps you move forward without the usual back-and-forth.

From ITR and GST to registrations and ongoing compliance, Kar Sathi—based in Mohali and assisting clients across India—keeps your work organised and your time focused where it belongs: on your life or business.

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HOW WE CAN HELP

Everything You Need, All in One Place.

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Income Tax Return service
SERVICE

Income Tax Return

File your Income Tax Return with confidence. We help you prepare the right documents and complete the process without last-minute stress.

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GST Services service
SERVICE

GST Services

Get GST registration, file returns on time and stay compliant with clear guidance at every step.

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Business Registration service
SERVICE

Business Registration

Turn your business idea into a registered Company, LLP or MSME with clarity from day one.

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TDS & Accounting service
SERVICE

TDS & Accounting

Keep your accounts organised and your TDS filings on time, so you can focus on running your business.

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Trademark Registration service
SERVICE

Trademark Registration

Protect the name you are building and take the right first step for your brand.

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Compliance Support service
SERVICE

Compliance Support

Stay on top of ROC and MCA compliance with timely support that helps your business stay compliant throughout the year.

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KNOW YOUR TAX

Calculate first.
Decide with clarity.

Use free calculators for income tax, GST, EMIs, investments, business costs and more—without signing up.

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Income Tax CalculatorCompare old and new tax regimes
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GST CalculatorAdd or reverse GST instantly
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EMI CalculatorPlan loans and monthly repayments
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SIP CalculatorProject long-term investment growth
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PRICING MADE SIMPLE

Clear scope. Clear value.

Every requirement is different. We first understand yours, explain what is included, and confirm the fee before work begins. Before work begins, we clearly confirm the scope, expected timeline and fee—so you always know what to expect.

FOR INDIVIDUALS

Income Tax Return Filing

A clear fee before filing begins.
  • Document checklist
  • Income and deduction review
  • Filing support
Discuss Your ITR →

FOR BUSINESSES

GST Registration & Returns

Pricing based on your requirement.
  • Requirement review
  • Registration or return-filing support
  • Clear next steps
Discuss GST Support →

FOR FOUNDERS

Company, LLP & MSME Registration

A clear fee after scope review.
  • Structure discussion
  • Registration support
  • First compliance checklist
Start Your Business →

TRUSTED RELATIONSHIPS

Our Clients

Trusted by businesses and clients we've proudly supported.

MONEY MATTERS logoMONEY MATTERSMoney Matters provides banking and loan services, with Kar Sathi supporting their business and service requirements.

A CLEAR PLACE TO BEGIN

Clarity begins with
a conversation.

You only need to share your requirement. Kar Sathi will help you understand the right path, explain the scope involved, and guide you through the next steps before any work begins.

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COMMON QUESTIONS

Questions are the right place to start.

Not sure what you need? Start with a question. We will help you understand the next step. Ask Kar Sathi →

Yes. You do not need to know the exact service before contacting us. Share your question or requirement, and we will help you understand the right next step.

SPEAK WITH KAR SATHI

Your next step starts
with a simple conversation.

Whether you already know the service you need or you're simply looking for guidance, tell us about your requirement. We'll help you understand the right next step before any work begins.

Call Kar Sathi+91 9876543265Email Kar Sathikarsathi.in@gmail.comVisit Kar SathiOffice No. 239 1st Floor Mohali Citi Centre 2, Gmada Aerocity, F Block Sahibzada Ajit Singh Nagar, Punjab 140306

IMPORTANT INFORMATION

Government Information Sources & Disclaimer

Kar Sathi is an independent private platform and is not affiliated with, endorsed by, sponsored by, or authorized by any government entity. Government-related information provided by Kar Sathi is for informational purposes only. Users should verify information with the relevant official government source.

Official government source links

Use these official websites to verify current information:

  • Income Tax Departmenthttps://www.incometax.gov.in/ (opens in a new tab)
  • GSThttps://www.gst.gov.in/ (opens in a new tab)
  • Ministry of Corporate Affairs (MCA)https://www.mca.gov.in/ (opens in a new tab)
  • Food Safety and Standards Authority of India (FSSAI)https://www.fssai.gov.in/ (opens in a new tab)
  • Udyam Registration (MSME)https://udyamregistration.gov.in/ (opens in a new tab)
  • Intellectual Property India (Trade Marks)https://ipindia.gov.in/ (opens in a new tab)
  • Directorate General of Foreign Trade (DGFT / IEC)https://www.dgft.gov.in/ (opens in a new tab)
Kar Sathi logo

Simple tax and compliance support, with a personal touch.

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Contact+91 9876543265karsathi.in@gmail.comOffice No. 239 1st Floor Mohali Citi Centre 2, Gmada Aerocity, F Block Sahibzada Ajit Singh Nagar, Punjab 140306
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