Lifetime usage licence for one Windows computer
Manage your daily work with GST Billing Software.
Fastest GST billing for any business – ₹5 invoices in 5 seconds.
✦ Easy EMI Available
Pay in monthly instalments using eligible Credit Card, Debit Card, Cardless EMI or Pay Later options.
Price, licence and support—all in one place.
Review the software screens, features and computer suitability before payment.
Optional 1-year AMC; select it in the purchase form
Eligible EMI/Pay Later options at checkout
Download, installation and activation guidance
Important purchase information
Is EMI available?+
Yes. Eligible Credit Card, Debit Card, Cardless EMI or Pay Later options may appear at Razorpay Checkout. Final tenure, interest and approval depend on the bank/provider and eligibility.
What happens after payment?+
After successful payment verification, purchase confirmation, GST invoice details and software download, installation and activation guidance will be provided.
What does lifetime licence mean?+
A lifetime usage licence allows use of the purchased software on the stated Windows computer. Future support, AMC, updates, reinstallation or extra-computer licences are included only when clearly stated.
Are installation and training included?+
The scope can vary by product and purchase plan. Confirm the included installation, training and support with Sales before payment.
Know the company you are purchasing from.
Razorpay Checkout may display ORBIT GROUP as the merchant name. The brand and legal business relationship is explained below.
Industry-specific Windows software brand for Indian businesses.
Owner and operator of the oRRbit™ software brand.
The company conducts its business under the trade name ORBIT GROUP.
+91 74899 24776 · contact@orrbit.in
9th Floor, PS Arcadia Central, 4A Camac Street, Kolkata, West Bengal 700071
B.Incube, Nutan Chowk, Seepat Road, Sarkanda, Bilaspur, Chhattisgarh 495006
Not just another general billing tool.
Create structured GST invoices and monitor daily transactions.
GST Billing Software helps keep your connected daily workflow, records and reports organised in one place.
From Business Setup to Payment Follow-up.
Each step remains connected with organised records.
Business Setup
Manage business setup as part of one connected workflow.
Product & Party Entry
Manage product & party entry as part of one connected workflow.
Stock Management
Manage stock management as part of one connected workflow.
Billing Process
Manage billing process as part of one connected workflow.
Purchase Process
Manage purchase process as part of one connected workflow.
Payment Follow-up
Manage payment follow-up as part of one connected workflow.
See what your team will use.
Choose a screen. These are actual software screenshots—not mock-ups.

A practical fit for All businesses needing GST billing.
This software may suit your team if manual registers, scattered files, pending work or reports take too much time.
Discuss your requirements →Easy to Use
✓GST Ready Billing
✓Billing + Inventory + Reports in One Software
✓Barcode Integration
✓Deep enough for daily work. Simple enough for your team.
Open a group to check every available function.
01Billing Management
8 functions+
- GST Sale Invoice
- Purchase Invoice
- Estimate Bill Creation
- Sale Order
- Purchase Order
- Sale Return
- Purchase Return
- Manual Challan Management
02GST & Tax Reports
3 functions+
- Sale GST Register
- Purchase GST Register
- Tax Summary Report
03Inventory & Stock Management
4 functions+
- Product Stock Records
- Expiry Report
- Damage Product Report
- Barcode Integration
04Payment & Accounts
5 functions+
- Payment Entry
- Receipt Entry
- Payment Due Notification
- Ledger
- Daybook
05Customer, Party & Supplier Management
2 functions+
- Customer Records
- Supplier Records
06Reports
10 functions+
- Sale Report
- Purchase Report
- Sale Return Report
- Purchase Return Report
- Sale Order Report
- Purchase Order Report
- Manual Challan Report
- Damage Report
- Expiry Report
- Salary Report
07Employee & Salary
3 functions+
- Employee Salary Calculation
- Salary Report
- Employee Records
Pay once. Use your software for life.
Enter billing details, choose optional AMC and pay securely through Razorpay. GST is calculated before payment.
Questions customers usually ask.
Need another answer? Our team can explain it in simple Hindi or English.
For what type of business is oRRbit™ GST Billing Software useful?+
This software is useful for retail stores, grocery/kirana shops, wholesalers, distributors, service providers, pharmacies, small manufacturers, freelancers, consultants businesses.
Can a GST invoice be generated using this software?+
Yes, the software helps generate GST-compliant sales and purchase invoices, allowing you to maintain product details, the GST breakup, and payment details.
Is stock management also available?+
Features like stock records, stock valuation, stock report, barcode integration, expiry records and damage product tracking are available.
Can supplier and party records be maintained?+
Yes, supplier records, party details, transaction history, and supplier transaction reports can be maintained.
Can the record of expired products be managed?+
Yes, expiry-related stock can be managed through product expiry records, expiry alerts, and expiry reports.
Can you maintain records for Damgarh products?+
Yes, the entry and damage reports for damaged goods can be maintained.
Is the software easy for a non-technical user to use?+
Yes, the software features a user-friendly design, allowing even non-technical business owners to easily manage billing, stock, payments, and reports.
Your daily work should feel organised, not complicated.
See the product. Ask your questions. Decide only when it feels right.
