Nidhi Books — GST Accounting Software for Indian Businesses

GSTR-1 export (CSV)

Outward supplies — B2B, B2C consolidated (by state × rate), Credit/Debit notes to registered customers, and an HSN-wise summary. Section-headed CSV for direct CA upload.

GSTR-3B summary

Section 3.1.a outward-supplies block with taxable value and CGST/SGST/IGST breakdown for the period.

Sales Register

A chronological list of every invoice and credit note for the period with full tax breakup per row. Filterable by warehouse and period.

HSN-wise summary

Quantity, taxable value and tax by rate aggregated by HSN, using date-aware tax rates so historical periods stay accurate.

Place-of-Supply handling

Intra- vs inter-state detection drives CGST/SGST/IGST splitting on every line, every report.

TDS on AR (Form 26AS reconcile)

TDS withheld by your customers on receipts, grouped by customer and section — line up cleanly with 26AS at year end.

TDS on AP (Form 26Q reconcile)

TDS deducted on vendor bills, grouped by vendor and section — covers 194C, 194J, 194I-LB and more.

Profit & Loss

Accrual-basis P&L. Sales minus COGS (from recorded bills) minus operating expenses. GST is excluded as a pass-through.

Cash Flow

Cash-basis movement — inflows from customer payments and vendor refunds, outflows from bill payments, expenses and customer refunds.

AR Aging

Receivables bucketed by days overdue (current, 1–30, 31–60, 61–90, 90+) with per-invoice outstanding amount.

AP Aging

Payables bucketed by days overdue, net of TDS deducted and vendor credit applied.

Stock Valuation

Per-item on-hand quantity, unit cost and total stock value — shared with the Nidhi Inventory module.

Invoices CSV

Full invoice list with number, date, due date, customer, status, kind, subtotal, discount, tax and total. Respects every filter on the list page.

Payments CSV

Receipts list with date, customer, method, reference, amount, applied vs unapplied, TDS withheld and TDS section.

Customers CSV

Customer master with display name, company, GSTIN, email, phone, payment term and state.

GSTR-1 CSV (CA hand-off)

Same data as the on-screen GSTR-1, structured with section headers so your CA can drop it straight into their workflow.

Invoice PDF (Classic & Compact)

Per-invoice PDF with two template strategies and an embedded UPI QR for fast payment.

Customer-portal PDF

Share an invoice via a public token — your customer can view and download the PDF without an account.

Audit Export (period-close)

A snapshot CSV manifest plus a PDF cover, signed with a SHA-256 hash. Becomes an immutable record of the closed period.

TallyPrime XML export

Masters (parties, items) and sales vouchers exported as TallyPrime-native XML. Import via Alt+O in TallyPrime — your CA continues working in Tally while you run 399Apps. One-way export of masters + sales vouchers; does not sync purchases or payments.