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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.
- 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
- 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
- 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
- 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
- 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
- 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
- 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)
- 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
- 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)
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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)
- 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)
- 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
- 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
- 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
- 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
- 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
- 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
The hubs
Starting Up
Find an idea, validate it, build, and land your first customers.
GTM
Go-to-market, from breaking in to how the best teams do it.
D2C
Building a direct-to-consumer brand, India-first.
Wealth
Paying yourself, ESOPs, secondaries, and de-risking founder wealth.
How Founders Use AI
How founders actually put AI to work, mapped topic by topic.
Glossary
Plain-language definitions of the startup and VC terms you'll hit.
eChai Partner Brands
The partnership →