ADAbhishek Dasinabhishekdas0.hashnode.dev·Apr 21 · 5 min readI Built a Production-Ready Indian Tax Calculator in ~1 Hour Using Claude Code — Here’s Why and HowEvery April I go through the same thing. Tax declaration deadline shows up. I open my company's internal tax calculator. I enter my deductions — 80C, NPS, health insurance. I look at the tax payable. 11I