GST Billing App in Goa, Free Trial: Tax Invoice, CGST/SGST/IGST, UPI QR (State Code 30)

GST Billing App for Shops and Traders in Goa

Most traders in Mapusa and Vasco da Gama do not need a full accounting package. They need a correct GST bill, the right tax split, a way to get paid faster and a list of who still owes money. e-Invoice makes GST invoices from your phone or computer.

Billing features today

Tax invoice directly, or from a challan, with its own invoice number series and due date.
Live GSTIN check for your own and your customer's tax ID.
CGST plus SGST or IGST chosen from the two states, with HSN and rate per product.
Customer types: regular, composition, unregistered, SEZ and UIN, so the GST report sorts B2B and B2C correctly.
UPI QR on the bill for the amount due, when you switch it on.
Credit and debit notes against an invoice.
Outstanding ledger and reminders by e-mail or WhatsApp, with a printable customer statement.
GST return report with B2B and B2C outward supplies and a CSV export for your CA. It is a report, not a government filing.
Profit and margin dashboard and low-stock alerts.

Start with a free trial: sign up with your e-mail or Google account, no card needed. When your firm needs more challans, pick a paid plan from inside the app.

GST details for Goa

State code 30. Every GSTIN registered in Goa starts with 30, and e-Invoice can check a customer's GSTIN against government records before you bill.
CGST and SGST or IGST are picked automatically: a buyer in Goa gets CGST plus SGST, a buyer in another state gets IGST.
HSN codes and tax rates are stored per product, so every bill carries them without re-typing.

Everything in e-Invoice

Documents: delivery challans, tax invoices, return challans, credit and debit notes, quotations, proforma invoices, sales orders and packing lists.
Service book: repair job cards with photos and a checklist, a service slip with QR code and pickup code, online tracking and estimate approval for the customer, warranty and invoicing from the job.
Stock: products with HSN and tax rate, batches with expiry dates, barcode labels and scanning, stock that moves with every dispatch and return, low-stock alerts.
Buying: suppliers, purchase orders with partial deliveries, and supplier payments.
Customers: groups, several shipping addresses, credit limits, opening balances and a GSTIN check.
Money: outstanding ledger, customer statement with ageing, UPI QR on the bill, and reminders by e-mail or WhatsApp.
Reports: GST return report with CSV for your CA, profit and margin, best-selling products and a state-wise sales map.
Team and control: many firms in one login, team members with role-based permissions and set login hours, and a full activity log.
Sharing: 9 PDF designs, e-mail, WhatsApp and a public link for every document.
Anywhere: Android app, web on any phone or computer, English and Hindi.

E-way bill and IRN

Coming, not live yet: one-click e-way bill and government e-invoicing (IRN and QR) through a GST Suvidha Provider. Today you can type the e-way bill number on the challan and it prints on the PDF. For who must issue IRN e-invoices, see GST e-invoice rules for 2026.

Frequently asked questions

Can I bill an unregistered customer?

Yes. Mark the customer as unregistered and the bill is reported under B2C in the GST return report.

Does the app file my GST return?

No. It prepares the outward-supply report and CSV; you or your CA file on the GST portal.

Can my staff make bills without seeing everything?

Yes. Team members get role-based access and can even be limited to set login hours.

Does it work in Hindi?

Yes. Screens are in English and Hindi and you can switch any time.

Download the GST billing app

Android: install e-Invoice from Google Play.
Computer, iPhone or any phone: open e-invoice.mics.asia and install it to the home screen or desktop.
Screens in English and Hindi.

References

GST portal

Support and demo

e-Invoice is built by MICS (Magadh IT and Consultancy Services Pvt. Ltd.), which also makes HRPM and e-Court. Call or WhatsApp +91 9355273535, e-mail admin@mics.asia, or ask for a free consultation.