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Every resource founders actually use, in one library.

The essays, videos, podcasts, books and tools behind every answer across eChai's hubs, from starting up to go-to-market, D2C, founder money and AI, each with a note on why it is here.

What founders use most, ranked by how many answers lean on it.

  1. Covers the one real loophole worth knowing before you assume the marketplace door is shut entirely: since October 2023, goods... Tax Ninja Article · D2C Budget 2023: Composition Scheme Benefit to E-commerce Goods Suppliers Tax Ninja
  2. Inc42 covers India's startup economy closely, and this piece ties the September 2025 GST 2.0 rate cuts directly to D2C brand... Inc42 Report · D2C GST Reforms: Booster Shot For D2C Startups, New-Age Brands? Inc42
  3. Puts a real number on exactly what composition costs a performance-marketing-heavy D2C brand: the 18 percent IGST on Meta ad... Wittelsbach Article · D2C India GST and Meta Ads: What D2C Founders Need to Know Wittelsbach
  4. A real number attached to a real brand: shows what disciplined ITC claiming on imports, packaging, and shipping is actually... Pitchers Global Article · D2C How We Unlocked ₹23 Lakhs in GST Refunds for a D2C Skincare Brand Pitchers Global
  5. The shortest, most direct list of everything composition takes away: no ITC, no ability to charge GST on your invoice, no... Learn by Quicko Article · D2C GST Composition Scheme Disadvantages Learn by Quicko
  6. Written specifically for the online seller and D2C use case rather than GST in general, worth the cover price if you want the... Amazon Kindle Book · D2C GST for E-Commerce and Online Business: A Practical Guide for Sellers, Startups & Digital Entrepreneurs S. Akhila
  7. Written for founders rather than accountants, it places the composition-versus-regular decision inside the wider tax stack,... GenZCFO (GrowthX) Article · D2C GST, TDS, and Income Tax for Startups: A Founder's Guide GenZCFO (GrowthX)
  8. A real practitioner forum thread on the practical, annoying mechanics of switching schemes, worth reading before you register... CAClubIndia forum Thread · D2C I opted GST regular instead of composition scheme by mistake, can it be converted, if yes how? CAClubIndia forum
  9. Directly answers the single biggest variable in your timeline: whether you land on the fast Aadhaar OTP route or the slower... GST Tutorial (GSTN) Article · D2C FAQs: Aadhaar Authentication GST Tutorial (GSTN)
  10. The official government note explaining the GST 2.0 package, including the policy push toward faster, more automated registration. Press Information Bureau, Government of India Report · D2C GST Reforms 2025: Relief for Common Man, Boost for Businesses Press Information Bureau, Government of India
  11. Plain English news coverage of the exact policy change, a 3-day auto-approval track for low-risk applicants, that shapes your... Business Standard Article · D2C Simplified registration under GST 2.0 from Nov 1, says FM Sitharaman Business Standard
  12. Explains the underlying rule behind the up to 7 working days figure, plus the deemed approval backstop most founders don't know... TaxGuru Article · D2C Time limit increased for grant of GST registration from 3 to 7 working days TaxGuru
  13. Summarizes the actual GSTN advisory that decides whether you get an easy Aadhaar OTP or a mandatory Suvidha Kendra visit, state... TeamLease RegTech Report · D2C GSTN Advisory for Biometric-Based Aadhaar Authentication and Document Verification (Bihar, Delhi, Karnataka, Punjab) TeamLease RegTech
  14. Answers the exact timeline question with the working day nuance, weekends and holidays don't count, that catches first time... IndiaFilings Article · D2C In How Many Days Is GST Registration Approved in India? IndiaFilings
  15. ClearTax is one of the most used filing platforms in India and this guide is written specifically around the newer fast track... ClearTax Article · D2C GST Registration in 3 Days: Step by Step Process Guide ClearTax
  16. If you plan to use Amazon FBA or Flipkart FBF warehouses, your GST registration doesn't stop at one state, this explains the... Virtual Office Kochi Article · D2C Multi-State GST for Amazon & Flipkart Sellers: The 2026 Guide Virtual Office Kochi
  17. This is the actual GSTN advisory behind the 30-day rule, straight from the regulator rather than a paraphrase, so you know... GSTN (Goods and Services Tax Network) Report · D2C Advisory on Bank Account Validation GSTN (Goods and Services Tax Network)
  18. The official step-by-step manual for the exact screen you will be on when you add your bank account, so you are not guessing... GST Portal (tutorial.gst.gov.in) Article · D2C Manual: Amendment of Non-Core Fields (Bank Account Validation) GST Portal (tutorial.gst.gov.in)
  19. Cuts through the portal's cryptic status labels so you actually know whether you're done or still exposed to suspension after... ClearTax Article · D2C All About Bank Validation Status on GST Portal ClearTax
  20. The clearest field-by-field breakdown of what Rule 46 actually requires, with the HSN-digit rule spelled out by turnover slab... Tally Solutions Article · D2C GST Invoice: Format, Types, Mandatory Fields & Examples Tally Solutions
  21. Worth a skim even at invoice-zero, since a DPIIT-recognized D2C startup may qualify for GST and income-tax carve-outs that... Startup India / DPIIT Report · D2C Tax Playbook for Startup Ecosystem (May 2026) Startup India / DPIIT
  22. The clean global baseline for what belongs on any invoice, useful to sanity-check your GST-specific template is not missing... Xero Article · D2C What to include on an invoice: a complete guide for small businesses Xero
  23. If you bill through Shopify, this is the primary doc for where your GSTIN and tax settings actually plug into the platform,... Shopify Article · D2C Shopify Help Center: Taxes Shopify
  24. Zooms out from the single invoice to the bookkeeping system it feeds into, so your first invoice lands in a set of books that... Shopify Article · D2C Ecommerce Bookkeeping 101 for Small Business: A Step-by-Step Guide Shopify

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