How to File GSTR-1 Without Errors
A step-by-step guide to filing GSTR-1 accurately using GST billing software. Avoid common errors that lead to notices.
Read articleGST billing software, mobile app development, custom software and our WestChat WhatsApp Business panel — designed, built and supported by our team in Tenkasi, Tamil Nadu, for businesses across India.
Pick your industry and see exactly how we can help — then book a demo built around your workflow.






Enter an amount and pick a GST slab. This is the same tax logic that runs inside our billing software — on every single bill, automatically.
Slabs shown as per GST 2.0 (effective 22 Sep 2025). For illustration only.
Built remotely from Tenkasi, Tamil Nadu and delivered to businesses across all 28+ states of India.
100% GST-compliant billing for shops, distributors and businesses in Tenkasi and Tamil Nadu. E-Invoice, e-Way Bill and GSTR reports built in.
GST Billing Software TenkasiPoint-of-sale for supermarkets, restaurants and retail stores across Tamil Nadu.
POS Software Tamil NaduInventory, HR, payroll, procurement and reporting in one cloud platform.
ERP Software IndiaFast, SEO-optimised, mobile-first websites with admin panel and WhatsApp chat.
Website Development TenkasiAndroid and iOS apps, offline-ready for real Indian connectivity.
Mobile Apps Tamil NaduCRM tools, portals, SaaS platforms and dashboards that save hours every week.
Web ApplicationsBuilt from scratch to your workflow, with complete source code handover.
Custom Software IndiaFully tested, GST-compliant products used by real businesses across India.

100% GST-compliant · Trusted across India

Retail & Restaurant · Multi-branch ready
Send bulk WhatsApp campaigns, let a chatbot answer customers day and night, and handle every chat from one team inbox. Built on the official WhatsApp Business Platform from Meta.
We understand GST, WhatsApp workflows and the real daily challenges Indian SMEs face — and we work the way you’d want a partner to.
Hospital management software in Tenkasi for hospitals, multispeciality centres, clinics, homeopathy practices and medical shops — one patient record across OP, IP, lab and pharmacy.





Fully remote from Tenkasi — faster turnaround and lower costs passed directly to you.
We understand your business, goals and challenges — just a genuine conversation about what you need.
FREEDetailed scope, fixed timeline and transparent pricing. No hidden charges.
We build in sprints and share live progress. You review and we refine until perfect.
We deploy, train your team and stay on as long-term partners.
6-MONTH GUARANTEEReal results from business owners who use our software every day.
“Their GST billing software changed how we handle invoicing completely. Setup took 2 days. The WhatsApp invoice feature saves an hour daily. Excellent support always.”
“Custom ERP for our manufacturing unit with 80 employees — delivered on time, within budget. Two years later, still running perfectly without a single issue.”
“POS runs all 5 restaurant branches in real time. KOT printing, stock alerts, WhatsApp summaries — exactly what we needed at an incredibly affordable price.”
Western Code Technology is a Tenkasi-based software company operating 100% remotely, delivering enterprise-grade software to businesses across every state in India.
By staying remote from Tenkasi, we pass the savings directly to you while maintaining quality that rivals agencies in metros — serving clients from Kashmir to Kanyakumari.
Practical guides on GST, software and growing your business in India.

A step-by-step guide to filing GSTR-1 accurately using GST billing software. Avoid common errors that lead to notices.
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What to look for in a POS system for your supermarket, medical shop or restaurant in Tamil Nadu.
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How local businesses in Tenkasi and South Tamil Nadu are saving time and money with custom software.
Read articleEverything you need to know before getting started.
Talk to us directly on WhatsApp — in Tamil or English.
Chat on WhatsAppWe offer GST billing software, POS software, ERP applications, website development, mobile apps, web applications and custom software solutions for Indian businesses of all sizes.
We are based in Tenkasi, Tamil Nadu, India and operate 100% remotely, serving businesses across all 28 states of India including metro cities and tier-2 towns.
Simply call or WhatsApp us at +91 87542 32446 or fill out the form on this page. We will arrange a personalised live demo within 24 hours at no cost and no commitment.
Yes. Our GST billing software fully supports e-Invoice, e-Way Bill, GSTR-1, GSTR-3B filing, multi-GSTIN, multi-branch and WhatsApp invoice sharing — always updated as per the latest GST rules.
WestChat is our WhatsApp Business API panel. Send bulk WhatsApp campaigns with approved templates, run a WhatsApp chatbot and reply to customers from one shared team inbox. See WestChat features or log in here.
Yes. We build Android and iOS apps with Flutter and React Native, and custom software made to your exact workflow, with full source code handover.
Absolutely. We work fully remotely from Tenkasi and serve clients across Maharashtra, Karnataka, Delhi, Gujarat, Kerala, Rajasthan, Andhra Pradesh and all other Indian states.
We follow a milestone-based payment model — you pay only as we deliver. Work begins after a small token amount. No 100% advance required. Transparent pricing with no hidden charges.
See the software running on your own business data. No cost, no commitment — just a clear picture of how it helps.
We respond within 24 hours with a free consultation and honest quote. No commitment required.