Insights
Techpuvi Notes.
Engineering, AI, and the work of building software that lasts.

India
Building for Bharat: What We Learned Shipping to Tier-2 India Users
Tier-2 and tier-3 India is a different operating environment than tier-1. Network, language, payment, UX patterns, what changes, and how to build for it.

India
GST Integration for SaaS: A Complete Developer Guide
Indian SaaS invoicing has its own rules. Here's the developer's guide to GST integration, GSTIN validation, e-invoicing, IRN, B2B vs B2C, and reverse charge.
