Explore · The library

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. The clearest breakdown of the four GST components and how input credit flows between them, foundational reading before you look... ClearTax Article · D2C Types of GST: What is SGST, CGST, IGST and UTGST? ClearTax
  2. A tight side-by-side of interstate vs intrastate supply with rate examples, the fastest way to sanity-check whether an order... ClearTax Article · D2C Interstate and Intrastate GST: Meaning, Rate, Examples, Differences ClearTax
  3. Written from an accounting-software lens, it shows how place of supply is configured on real invoices, handy if you'll run... Zoho Books Article · D2C GST | Place of Supply Zoho Books (Zoho Finance)
  4. Explains TCS under Section 52, what the marketplace deducts, how it hits your ledger and how you reclaim it, so the payout... ClearTax Article · D2C GST Registration for Ecommerce Collecting TCS under GST ClearTax
  5. Goes deeper than the usual 'yes you need a GSTIN per state' answer, citing an AAR ruling to show it's genuinely case-by-case,... CAclubindia Article · D2C Whether separate GST Registration is required for a warehouse? CAclubindia
  6. A free search tool where you type your product name and get the HSN code and its GST rate instantly, the quickest way to... ClearTax Tool · D2C Free HSN Code List & GST Rate Finder ClearTax
  7. Written for e-commerce shippers rather than accountants, it explains the Rs 50,000 e-way bill trigger, validity and who... Shiprocket Article · D2C What Is an E-way Bill & How to Download It? Shiprocket Fulfillment
  8. For a D2C brand, ad spend is often the biggest cost, this explains the 18% GST on advertising and how to claim it back as input... Razorpay Article · D2C GST on Advertising: Rules, Tax Rates & Input Tax Credit Razorpay Learn
  9. Shows the practical loop of pulling marketplace sales reports and reconciling them into your GST returns, including matching... ClearTax Article · D2C GST Return Filing for e-Commerce Sellers ClearTax
  10. Breaks down real air vs sea cost ranges on the China-India lane and, critically, tells you to check for an in-house customs... smartbuy.alibaba.com Article · D2C How to Choose the Best Freight Forwarder China to India: A Complete Guide Alibaba
  11. A logistics provider's practical view of IEC, useful because it connects the registration step directly to what happens at... shiprocket.in Article · D2C Import Export Code: Benefits, How to Apply & More Shiprocket X
  12. This is the fastest sanity check before you pay any creator - HypeAuditor's ML model flags bot followers and engagement pods... hypeauditor.com Tool · D2C Instagram Fake Follower Checker HypeAuditor
  13. Moves past 'likes and reach' into the actual attribution stack - promo codes, UTMs, multi-touch models and a real ROI formula -... improvado.io Article · D2C How to Measure Influencer Marketing ROI in 2026 Improvado
  14. The most usable commission-rate reference out there - real industry benchmarks (5-15% for physical goods, higher for digital)... referralcandy.com Article · D2C Affiliate Commission Rates by Industry (Data + Templates) ReferralCandy
  15. The most complete beginner-to-intermediate book on turning influencer relationships into a real marketing function - how to... amazon.com Book · D2C The Age of Influence: The Power of Influencers to Elevate Your Brand Neal Schaffer
  16. Hosted by Prateek Panda of Phyllo, a creator-economy infrastructure company with deep India roots, this is founders and... open.spotify.com Podcast · D2C IMpulse - The Influencer Marketing Podcast Prateek Panda (Phyllo)
  17. Grynow leans into story-driven, trust-building creator content over one-off product placements - useful if your category... grynow.in Tool · D2C Grynow - Influencer Marketing Agency & Platform Grynow
  18. Qoruz itself is one of the better analytics-first platforms in India, and this roundup - written from inside the industry... qoruz.com Article · D2C Top 10 Influencer Marketing Platforms in India Qoruz
  19. vCommission runs affiliate programs for Indian D2C names like Swiss Beauty and Giva, so this isn't theory - it's the... vcommission.com Article · D2C How to Structure Your D2C Affiliate Program: Commission Models That Convert vCommission
  20. Mamaearth's entire early growth engine was mom bloggers and micro beauty/skincare creators doing unscripted, honest reviews -... jobaaj.com Article · D2C Mamaearth's Influencer Network Success: A Case Study on Brand Growth Jobaaj
  21. Built specifically for Indian D2C and ecommerce brands that want ad-ready UGC fast without managing the creator relationship... MakeUGC Tool · D2C MakeUGC - India's Performance-First UGC Ad Platform MakeUGC
  22. The founder herself describing the grassroots mom-blogger gifting strategy that predated Mamaearth's Instagram-era scale - one... Storyboard18 Article · D2C Mamaearth's Ghazal Alagh on Word-of-Mouth and Influencer Marketing Storyboard18
  23. A well-regarded Indian marketing newsletter's deep-dive on how Mamaearth's influencer and content strategy evolved over time,... Marketing Monk Newsletter · D2C Shark Ghazal Alagh's Mamaearth: Digital Marketing Strategies and Campaigns Marketing Monk
  24. Ties UGC, seeding and community together across several named D2C brand examples in one piece, useful as a broader survey once... Billo Article · D2C How Top D2C Brands Are Using UGC, Influencers, and Community Building to Redefine Customer Relationships Billo

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