India Tools Learning Hub
Guides and explainers for India Tools tools
Filter By Popular Topics
Guides
12 guidesPAN in KYC: Why Banks Ask for It and What Happens If You Don't Have One
How PAN fits into India's KYC framework — which financial institutions need it, what transactions get blocked without one, and how higher TDS rates kick in when PAN is missing.
25 Jun 2026
5 min read
PAN Card Format Explained: Structure, Entity Codes & How Validation Works
A complete guide to the Indian PAN format — what each of the ten characters means, how the 4th-character entity code works, why PAN has no public checksum, and how to validate a PAN safely.
25 Jun 2026
5 min read
TDS in India: A Complete Guide to Tax Deducted at Source
Understand TDS sections, rates for FY 2024-25, threshold limits, how TDS differs from advance tax, and how to file TDS returns in India.
25 Jun 2026
5 min read
TDS vs TCS: Key Differences Every Indian Taxpayer Must Know
Understand the difference between TDS and TCS in India — who deducts, who collects, applicable sections, Form 26AS, and how to claim credit in your ITR.
25 Jun 2026
5 min read
What Is a PAN Card? Why You Need One and How to Apply
Everything you need to know about India's Permanent Account Number — what a PAN card is, why it's mandatory for financial transactions, who can apply, and how to get one.
25 Jun 2026
5 min read
The Indian Numbering System: Lakhs, Crores and Commas
How the Indian numbering system groups digits into lakhs and crores, how it differs from the international system, and how to convert any number between the two.
24 Jun 2026
5 min read
Formatting Indian Phone Numbers: +91, E.164 and the Mobile Rule
How Indian phone numbers are structured, what E.164 and the +91 country code mean, the 10-digit mobile rule, and how to normalise messy numbers into clean formats.
24 Jun 2026
5 min read
F&O Lot Sizes Explained: Contracts, Value and Position Sizing
What an F&O lot size is, why NSE trades in lots rather than shares, how to read contract and position value, and why lot sizes change — with a clear risk reminder.
24 Jun 2026
5 min read
How to Write Amounts in Words (Indian Numbering System)
A complete guide to writing rupee amounts in words using the Indian numbering system — lakhs and crores, paise, cheque and invoice formats, and the rules that keep figures and words in agreement.
23 Jun 2026
5 min read
Why Indian Festival Dates Change Every Year
A plain-English guide to the Hindu Panchang: why Diwali, Holi, and other festivals move on the Gregorian calendar, how tithis work, and how to look up dates reliably.
23 Jun 2026
5 min read
How GSTIN Works: Structure, State Codes and Checksum
A plain-English breakdown of the 15-character Indian GSTIN — what each part means, how the checksum is computed, and how to spot an invalid number before it costs you.
23 Jun 2026
5 min read
Vikram Samvat and Shaka Samvat: How the Hindu Eras Work
Understand the two main Hindu calendar eras — Vikram Samvat and Shaka Samvat — how they relate to the Gregorian year, why dates span two years, and how to convert.
23 Jun 2026
5 min read
No guides match your search.