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Home / Main Platform Overview Central hub for BillBabu GST billing, inventory & payments.Features GST bills, quotations, purchase bills, stock, party ledger and reports.Pricing and Free Trial Current plan prices and the 14-day free trial.Customer Support & Sales Contact Submit questions, request assistance, or speak with sales.About BillBabu & Core Mission Our history, core values, and dedication to Indian MSMEs.Frequently Asked Questions (FAQ) In-depth answers to common pricing, feature, and GST questions.Become a Partner / Referral Request Join our partnership programs and earn referral commissions.Official Platform Blog Index Articles, practical guides, and resources for business growth.Privacy Policy & Data Security Rules How we secure, process, and protect your business data.Terms of Service & Usage Contract Standard legal terms, usage regulations, and platform rights.Refund Policy Refunds and cancellation of subscriptions.Shipping and Fulfilment Policies Details regarding accounts provisioning and services activation.Account Data Deletion Request Guidelines and request form for permanent account purging.
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GST Guides & Articles
Quotation Terms and Conditions: 15 Lines You Can Copy Clear terms on a quotation stop most arguments before they start. Here are 15 sample terms and conditions for Indian shops, traders and service businesses, covering validity, GST, payment, delivery, warranty and cancellation.ERP vs Billing Software: Which One Does Your Business Actually Need? ERP software runs a whole company: accounts, stock across locations, purchasing, production and staff. Billing software makes bills, tracks dues and keeps stock in step. Here is how to tell which one your business needs today.Udyam Registration: A Step-by-Step Guide for First-Time Applicants A simple step-by-step guide to Udyam registration on udyamregistration.gov.in — required documents, classification thresholds, and common pitfalls.Tax Invoice Cancellation Under GST: 24-Hour IRP Window and Credit Notes Tax invoice cancellation under GST: 24-hour IRP cancellation window, credit note approach beyond that, and GSTR-1 amendments.Consolidated Invoice Under GST: Rule 46A and B2C Daily Billing Consolidated invoice under GST Rule 46A: when retailers can issue one daily summary for B2C sales under Rs. 200 and how to file GSTR-1 Table 7.GST Invoice Format for Freelancers and Service Providers (with SAC Codes) What a freelancer's or service provider's invoice must show in India, with GST and without it. Includes common SAC codes, how place of supply works for services, a filled ₹ example and a note on TDS.Voluntary GST Registration: Should Small Businesses Opt In? Voluntary GST registration weighed up: benefits like ITC claims, marketplace access, and B2B credibility versus the recurring compliance burden.Annual Aggregate Turnover Under GST: What to Include and Why It Matters Annual aggregate turnover GST explained: PAN-wide computation, what to include and exclude, and thresholds for e-invoicing, QRMP, and composition.GST Exemptions: Nil-Rated, Exempt, and Zero-Rated Supplies Explained GST exemptions decoded: the difference between nil-rated, exempt, and zero-rated supplies and how Rule 42 affects ITC apportionment.Free vs Paid Billing Software: What You Actually Get "Free billing software" can mean a spreadsheet template, a one-off online invoice maker or an app with limits. Here is what each kind really gives you, what a paid plan adds, and how to decide without wasting a month.Best Billing Software for Small Business in India: How to Choose There is no single best billing software, only the one that fits how you work and that you will actually use every day. Here is a fair checklist, a one-week trial plan with a ₹ test bill, and the red flags to walk away from.Party Ledger: Format, Example and How to Track Who Owes You A party ledger is a running account of everything you have billed to a customer (or bought from a supplier) and everything that has been paid. Here is the format, a filled ₹ example and the habits that keep dues under control.UPI Payments for Businesses: Accept Without Transaction Fees UPI is the cheapest way to accept business payments in India. Learn the rules for P2M vs P2P, MDR, dynamic QR, and best practices for your invoices.How to Follow Up on Quotations Without Being Pushy The fortune is in the follow-up. Learn polite, effective ways to follow up on quotations and increase your conversion rate without annoying prospects.How to Convert an Estimate or Quotation into an Invoice When a customer accepts your quotation, the invoice should match it without retyping a single line. Here is what carries over, what you must check before you send it, and how the Convert button works in BillBabu.How to Send a Bill on WhatsApp as a PDF Most customers in India would rather get their bill on WhatsApp than on paper. Here is how to send a proper GST invoice as a PDF from your phone, what to check before you send it, and the small habits that get you paid faster.E-Way Bill: When You Need It and How to Generate It Online E-way bill is required for movement of goods worth Rs. 50,000 or more. Learn the rules, exemptions, and step-by-step generation on the e-way bill portal.Credit Note and Debit Note in GST: Format, Rules, Examples Credit notes reduce tax liability; debit notes increase it. Learn when to issue each under GST with format, time limits, and examples.GST Invoice Number Rules: Format, 16-Character Limit and Series Under GST, every invoice number must be unique for the financial year, run in order and fit in 16 characters. Here are the exact rules, valid and invalid examples, and how to set up a series that never trips you up.Invoice vs Estimate vs Quotation vs Proforma Invoice: The Difference A quotation and an estimate are offers. A proforma invoice is a draft bill sent before the sale. A tax invoice is the real bill under GST. Here is when to use each, with one job followed from quote to final bill.E-Invoicing Under GST: New Rules and Implementation Guide E-invoicing is mandatory for many Indian businesses. Learn the latest turnover threshold, IRN generation, QR code requirements and how to comply.GST Returns Filing: GSTR-1, GSTR-3B and GSTR-9 Complete Guide Step-by-step guide to filing GSTR-1, GSTR-3B and GSTR-9 returns — due dates, late fees, and the easiest way to file without errors.How to Check a GST Number: Format Check vs Verifying It on the GST Portal Before you put a customer's GSTIN on a bill, check two things: that the number is correctly formed, and that it belongs to an active registration. Here is how to do both for free, and what each check can and cannot tell you.How to Find the HSN Code for Any Product An HSN code tells the taxman exactly what you sold, and it decides the GST rate. Here are five reliable ways to find the right code, how many digits to print on your bill, and the mistakes to avoid.New GST Rates After GST 2.0: The 5%, 18% and 40% Slabs for Shop Owners Since 22 September 2025, India has three main GST slabs: 5%, 18% and 40%, plus 0% for essentials. Here is what moved where, a rate list for common items with HSN codes, and how to update your bills.CGST, SGST and IGST: Which One Goes on Your Bill? Sell inside your own state and you charge CGST plus SGST. Sell to another state and you charge IGST. Here is the difference, how to decide for each bill, and worked ₹ examples at 5% and 18% GST.GST Registration Process: Step-by-Step Guide for New Businesses How to register for GST online in India — eligibility, documents required, application process on the GST portal, and timelines explained.