Learn — GST, Tax & Business Guides | Kallapotti [ Kallapotti](/) [About](/about-us) [Features](/features) Business Types [ Restaurants & Food Outlets Fine dine, QSR, cafe, bakery & cloud kitchens](/restaurant-billing-software) [ Textile & Garments Sarees, apparel, boutiques & footwear matrix](/textile-billing-software) [ Retail & Wholesale Supermarkets, FMCG, weighing scales & Khata](/retail-wholesale-billing-software) [ Medical Shops & Pharmacies Batch & expiry alerts, credit ledger](/medical-shop-billing-software) [ Fertilizer & Agro Shops Seeds, pesticides & farmer credit](/fertilizer-shop-billing-software) [Integrations](/integrations) [Learn](/learn) [Pricing](/pricing) Resources [ Downloads Windows PC & Android app stores](/downloads) [ FAQ Frequently asked questions & answers](/faq) [ GST Calculator Free Indian GST rate calculator](/gst-calculator) [ Guides & Articles Tutorials & POS documentation](/learn) [ Support & Contact Direct phone, email & helpdesk](/contact-us) [ Search Site Find features, blogs & outlets](/search) [Book A Demo](/contact-us?intent=demo) [Access Portal ](https://links.kallapotti.com/portal) Free Business Education # Kallapotti Learn Plain-language guides on GST, income tax, and business law — written so any shop owner can understand India's tax system without a CA. All Topics GST BasicsGST ReturnsPersonal TaxBusiness Setup Showing 14 articles GST Basics ## GST Registration: Who Must Register & Minimum Turnover Limits Learn who needs GST registration in India, the turnover thresholds for goods and services, mandatory registration cases, and documents required. 7 min Read GST Basics ## CGST, SGST, IGST and UTGST: Types of GST in India Explained Understand the four types of GST — CGST, SGST, IGST, and UTGST — when each applies, and how tax is split between Centre and State. 5 min Read GST Returns ## GSTR-1: Complete Guide to Filing Your Outward Sales Return Everything about GSTR-1 — what it covers, who must file, due dates (monthly vs quarterly QRMP), tables to fill, and late fee consequences. 8 min Read GST Returns ## GSTR-2A vs GSTR-2B: Key Differences Every Business Must Know GSTR-2A is dynamic, GSTR-2B is static. One updates in real-time, one is legally binding for ITC claims. Learn the critical differences and which one to use. 6 min Read GST Returns ## GSTR-2B Meaning, Date & How to Reconcile ITC GSTR-2B is the auto-drafted ITC statement generated on the 14th of every month. See what Parts A–D show, why ITC may be missing & how to reconcile it. 7 min Read GST Returns ## GSTR-3B Filing Guide: Monthly GST Summary Return GSTR-3B is where you actually pay GST. This guide covers due dates, all sections to fill, ITC claim rules, and common mistakes to avoid. 8 min Read GST Returns ## GSTR-1 vs GSTR-3B: What's the Difference? GSTR-1 reports sales details; GSTR-3B pays tax. Both are mandatory but serve different purposes. Learn the differences and what happens when they don't match. 5 min Read GST Basics ## HSN vs SAC Codes: A Complete Guide for Indian Businesses HSN codes classify goods; SAC codes classify services. Learn the difference, when you must mention them on invoices, and how to find the right code for your product. 6 min Read GST Returns ## GSTR-9 Annual Return: Complete Filing Guide GSTR-9 is the annual GST return reconciling all monthly filings for a financial year. Learn who must file, due dates, sections, and late fee rules. 7 min Read GST Basics ## Interstate vs Intrastate GST: Definitions, Examples & Tax Impact Know when IGST applies (interstate) vs CGST+SGST (intrastate), how to determine place of supply, and how it affects your ITC and compliance. 5 min Read GST Basics ## E-Invoicing Under GST: Who Needs It & How to Generate It E-invoicing is mandatory for businesses above ₹5 crore turnover. Learn how IRP works, the process for generating IRN and QR code, and the benefits of e-invoicing. 7 min Read Personal Tax ## Income Tax Slabs for AY 2026-27: New Tax Regime vs Old Tax Regime Official Income Tax Slabs for AY 2026-27 from incometax.gov.in. Compare New Regime (u/s 115BAC) slabs, Section 87A rebate up to ₹60,000 (tax-free up to ₹12 Lakh), Old Regime slabs, and surcharge rates. 8 min Read Business Setup ## Types of Business Structures in India: A Complete Comparison Sole Proprietorship, Partnership, LLP, Private Limited, OPC — understand each structure, its compliance requirements, liability, and which suits your business stage. 9 min Read GST Basics ## GST Composition Scheme: Who Can Opt & What Are the Benefits? The GST Composition Scheme offers simplified compliance and lower tax rates for small businesses. Learn eligibility, tax rates, restrictions, and how to opt in. 6 min Read ## Ready to simplify your billing? Kallapotti handles GST calculations, GSTR-1 exports, and HSN codes automatically — so you can focus on your business. [Start Free Trial ](/pricing) [ Kallapotti](/) Enterprise-grade billing platform built for scale. Fast invoices, inventory control, and multi-terminal billing for modern businesses. [](https://www.instagram.com/kallapotti.pos/) [](https://www.linkedin.com/showcase/kallapotti-pos/) [](https://www.trustpilot.com/review/kallapotti.com) ## Products & Solutions - [Restaurants & Food POS](/restaurant-billing-software) - [Textile & Garments POS](/textile-billing-software) - [Retail & Wholesale POS](/retail-wholesale-billing-software) - [Medical Shop & Pharmacy POS](/medical-shop-billing-software) - [Fertilizer & Agro Shop POS](/fertilizer-shop-billing-software) - [Ecosystem Integrations](/integrations) - [Pricing Plans](/pricing) - [GST Calculator Tool](/gst-calculator) - [Affiliate Partner Program](/partner) ## Company & Support - [About Us](/about-us) - [Careers](/careers) - [FAQ](/faq) - [Help Center & Contact](/contact-us) - [Documentation](/documentation) - [Security & Trust](/security) ## Legal - [Terms of Service](/terms_of_service) - [Privacy Policy](/privacy-policy) - [Return Policy](/return&cancellation-policy) - [Shipping Policy](/shipping-policy) © 2026 Kallapotti POS Billing. All rights reserved. The best GST billing software for SMEs & Big Enterprises, Wholesale / Retail Shops, Manufacturers in India. [Powered by AhopeZ Innovations.](https://ahopez.in) Service Health: 99.99% [ Home](/) [ Learn](/learn) [ Support](https://wa.me/919363727215) [ Partner](/partner) More