# ExaProcess > ExaProcess is an online app for preparing Form 27 Running Account (R.A.) Bills, the bills used in Indian > public works to pay contractors and suppliers for work actually measured. It calculates item amounts, > above/below CSR percentages, CGST and SGST, previous-bill deductions and the certificate, and produces a > print-ready Form 27 PDF. Made in India by LexinexiAI. Not affiliated with any government department. ## Who it is for - Engineers in public works offices (JE, AE, EE) who prepare and check running account bills - Contractors and suppliers who submit R.A. bills - Accounts staff who verify bill arithmetic ## What it does - Organises bills by work or agreement ("groups"), with search - Items with unit, rate, previous and up-to-date quantities; "since previous bill" is calculated automatically - Above/below CSR %, CGST and SGST (with exclusions), previous-bill deduction and rounded net payable - Next R.A. bill: copy the last bill and shift up-to-date quantities into "previous" - Certificate and measurement book details; one-click Form 27 PDF - Send a copy of a bill to another ExaProcess user by email - Works in any modern browser, including phones; data is stored on Amazon Web Services (Mumbai region) ## Links - [Home page and live calculator](https://exaprocess.com/) - [Sign in / get started](https://exaprocess.com/login) - [LexinexiAI, the company behind ExaProcess](https://lexinexiai.com) ## Contact - Phone / WhatsApp: +91 91797 08436 - Email: admin@lexinexiai.com - LexinexiAI also builds custom software and AI solutions for departments and firms (digital measurement book, estimates, AI document reading, approvals, dashboards).