What Manual Purchase Entry in BUSY Really Costs Your Office: Time, Money and Wrong ITC

Purchase entry feels free because the accountant is already on the payroll. It is not free: every hour spent typing bills is an hour not spent on collections, follow-ups or a new client, and every wrong unit or tax rate becomes a GST problem months later. Here is a simple way to put a number on it for your own office.

Step 1: count your typing time

Take one normal month. Count the purchase bills and the average lines (items) per bill. A careful operator usually needs about a minute for the bill header (party, number, date, series) and 15 to 20 seconds for each item line (item, qty, unit, rate, tax), plus checking. Use your own timings if you have them.

Example only: 1 minute per bill header + 18 seconds per line, before any checking or corrections.

Step 2: put a rupee value on it

• Monthly salary of the person doing it divided by about 200 working hours gives the cost of one hour. At Rs 18,000 a month, one hour is about Rs 90.
• Ten hours a month is about Rs 900 a month of pure typing, or about Rs 10,800 a year, before overtime at month-end.
• Add the cost of the work that waits: payment follow-ups not made, reports not checked, a new client not taken.

Step 3: count the cost of mistakes

• Wrong unit or quantity: stock and cost go wrong, and the trading account with them.
• Wrong tax rate or IGST in place of CGST + SGST: ITC in GSTR-3B differs from GSTR-2B, inviting a DRC-01C intimation.
• Duplicate bills: the same bill typed twice doubles the ITC until someone finds it.
• Missed bills: credit not claimed by 30 November is lost (see the 30 November rule).

Step 4: compare with e-invoice import

When a supplier issues an e-invoice, every line of the bill (item, HSN, qty, unit, rate) is already on the GST e-invoice portal. Bharat GST Champ fetches it and posts it into BUSY as a purchase voucher with the right BUSY item and unit, checks units and tax before posting, and fills the remaining bills from GSTR-2B. The operator's job changes from typing to checking. In our customers' work about 3 hours of manual posting becomes about 5 minutes.

Timings are examples to help you estimate; your own numbers will differ. Try the free demo on your own company to measure them.

Need help setting this up in BUSY? Our team installs and trains remotely anywhere in India. Call +91-93149 87634 or see BUSY services.

Related: Import long purchase bills from the e-invoice · Accountant's monthly GST routine · Bharat GST Champ

Updated 11-11-2026 · Bharat Busy Care, Authorised BUSY Platinum Partner