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.
- The government investment agency's overview of India's textile sector and its schemes: PM MITRA parks (Rs 4,445 crore for seven... investindia.gov.in Article · Sector page · Starting Up Textiles and apparel sector (Invest India) Invest India
- The statutory body under the Architects Act 1972, which restricts the title 'architect' to people registered with it and acts... coa.gov.in Article · Official site · Starting Up Council of Architecture Council of Architecture
- India's professional body for interior designers, with chapters across cities, events and membership that clients and builders... iiid.in Article · Official site · Starting Up Indian Institute of Interior Designers (IIID) IIID
- A law firm's summary of the January 2023 'Endorsement Know-hows' for influencers, issued under the Consumer Protection Act 2019... ksandk.com Article · Article · Starting Up Endorsement Know-hows: guidelines released by the Ministry of Consumer Affairs King Stubb & Kasiva
- The government knowledge portal's plain explanation of the disclosure rules for creators and influencers on social media. vikaspedia.in Article · Explainer · Starting Up Endorsements know-hows (Vikaspedia) Vikaspedia
- A plain guide to what a GST invoice must contain (invoice number and date, both GSTINs, place of supply, HSN or SAC code,... cleartax.in Article · ~15 min read · Starting Up GST Invoice: Format, Rules, Types and Mandatory Details ClearTax
- DPIIT's own screen-by-screen guide to applying for startup recognition on the National Single Window System: sign up, set up... startupindia.gov.in Article · PDF guide · Starting Up Startup DPIIT Recognition Application on NSWS: A Guide Startup India (DPIIT)
- The official FAQ on recognition, including that the certificate of recognition is typically issued within 2 working days of a... startupindia.gov.in Article · FAQ · Starting Up Startup India FAQs Startup India (DPIIT)
- Atlassian's guide to building a product roadmap: weigh ideas against customer feedback, company goals and effort, size the... atlassian.com Article · ~10 min read · Starting Up Product Roadmap Guide: What It Is and How to Create One Atlassian
- The constitutional provision that lets states levy professional tax and caps it at ₹2,500 per person a year, which is why every... constitutionofindia.net Article · Short read · Starting Up Article 276: Taxes on professions, trades, callings and employments Constitution of India
- A 2026 state-by-state guide: Maharashtra's PTRC and PTEC on MahaGST and its slabs, Karnataka's ₹25,000 a month exemption from... bajajfinserv.in Article · ~10 min read · Starting Up Professional Tax Login: State-Wise Portal Steps for Employers (2026) Bajaj Finserv
- Explains the two registrations (PTEC for the company's own tax, PTRC to deduct from employees), the documents to keep ready and... myndsolution.com Article · ~8 min read · Starting Up The Complete Guide to Professional Tax Registration for Employers MYND Integrated Solutions
- EPFO's page on Shram Suvidha, the single portal for online registration and returns under labour laws, which assigns each... epfo.gov.in Article · Short read · Starting Up EPFO and the Shram Suvidha Portal EPFO
- EPFO's FAQ, including that an establishment with fewer than 20 employees can join EPF voluntarily if the employer and a... epfo.gov.in Article · FAQ · Starting Up EPFO FAQs EPFO
- A service page that explains when PF registration becomes compulsory (20 or more employees, within 30 days of reaching the... indiafilings.com Article · ~10 min read · Starting Up PF Registration Online: EPF Registration for Employers IndiaFilings
- Report of Eximius Ventures' March 2026 study with 1Lattice, which found pre-seed has grown nearly 3X since 2020 and was the... tribuneindia.com Article · ~4 min read · Starting Up Eximius Ventures launches India's Pre-seed Startup Landscape 2026 The Tribune / ANI
- A 2026 guide that separates the free seller registration from the costs that come later (certifications, testing, documents and... tender18.com Article · ~10 min read · Starting Up GeM Registration Fees, Charges and Documents Required in 2026 Tender18
- The current contribution rates: 3.25% of wages from the employer and 0.75% from the employee, with employees on a daily average... esic.gov.in Article · Short read · Starting Up ESIC Contribution ESIC
- ESIC's step-by-step help file with screenshots: registration is fully online and real-time, generates the code number on... esic.gov.in Article · PDF guide · Starting Up ESIC Employer Registration Help File ESIC
- A service page listing who is covered, the documents, and that an employer must register within 15 days of crossing the... indiafilings.com Article · ~10 min read · Starting Up ESI Registration Online IndiaFilings
- GSTN's FAQ on GSTR-3B: due on the 20th for monthly filers and the 22nd or 24th after the quarter for quarterly filers by state,... gst.gov.in Article · FAQ · Starting Up FAQs: Form GSTR-3B GSTN
- The official screen-by-screen manual for preparing, paying and filing GSTR-3B, including how liabilities flow in from GSTR-1... gst.gov.in Article · Step-by-step manual · Starting Up Manual: Creation, Saving, Payment of Taxes and Filing of Form GSTR-3B GSTN
- GSTN's FAQ on GSTR-1: due on the 11th for monthly filers and the 13th after the quarter under QRMP, which is open to turnover... gst.gov.in Article · FAQ · Starting Up FAQs: Form GSTR-1 GSTN
- A current guide to GSTR-3B covering the changes since July 2025: sales tables locked to GSTR-1, corrections through GSTR-1A, a... cleartax.in Article · ~15 min read · Starting Up GSTR-3B: Due Date, Late Fee, Format, Return Filing ClearTax
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 →