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4 guidesHow 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
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
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
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