Dashboard
Total revenue, litres sold, revenue by day and top customers — for one station or all stations together.
Case study · Android app & cloud platform
PKM Ventures: one app to run the business.
PKM Ventures runs authorised AdBlue & DEF refilling stations for trucks and transport fleets. We built them a complete platform — a customer app for drivers and transport operators, and an admin app that runs billing, stock, staff and reports across every station.
The challenge
Many stations, one business.
PKM Ventures needed one system to bill fills at every station with correct GST, track stock and customer dues, control what each staff member can do, and reward repeat drivers and fleets with cashback.
Customer app
For drivers & transport operators
Drivers and fleet owners sign up with their mobile number and OTP, see every fill and invoice, and earn cashback towards milestones.
Admin app
Everything the business needs, in one place
Owners, managers and counter staff use the same app with role-based permissions — each person sees only what they are allowed to.
GST billing
Fast bills at the counter: customer, vehicle number, odometer, discount, cashback and UPI QR on a tax-correct GST invoice.
Bills & invoices
Search, view and share every invoice, with photos and notes attached to each fill.
Customers & dues
Driver and fleet profiles, customer-specific cashback rates, credit given and amounts due.
Stock control
Stock in and out in litres or buckets, stocktake, low-stock alerts and shelf value per station.
Products
Products with HSN code, GST rate and price, and per-product cashback rates.
Cashback & offers
Automatic cashback per litre or percentage, cashback payouts and time-limited offers.
Staff & permissions
Add staff per station with fine-grained permissions; disable access instantly.
Reports & expenses
Station expenses, sales reports and CSV export for the accountant.
Under the hood
Built to be correct and secure
Exact GST maths
The tax engine reproduces the client’s real invoices to the paisa, including CGST/SGST vs IGST and round-off, with GSTIN validation.
Server-side money
Bills, stock and cashback are written only by secure cloud functions — never directly from a phone.
Private by design
Strict access rules: a driver sees only their own bills, and one fleet can never see another’s data.
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