DESKLOC BLOG

GST, e-invoicing & ITC, in plain English

Practical guides to GST returns, e-invoicing, e-way bills and ITC reconciliation — written for business owners, not tax lawyers.

GST Returns

GSTR-3B Explained: How to File Your Monthly GST Summary Return

GSTR-3B is the monthly return where you actually pay your GST. Miss the 20th and interest starts running. Here is how the return works, end to end.

8 min read·Updated 29 Jul 2026
e-Invoicing

e-Invoicing in India: Who Needs It, the Threshold, and How IRN Works

e-Invoicing is now mandatory for a wide band of Indian businesses. Here is who it applies to, what an IRN actually is, and how to stay on the right side of it.

7 min read·Updated 29 Jul 2026
Input Tax Credit

GST Reconciliation: How to Protect Your Input Tax Credit

Input tax credit is the single biggest lever on your GST cash flow — and the most audit-sensitive. Here is how reconciliation actually protects it, month by month.

13 min read·Updated 29 Jul 2026
GST Compliance

The 7 Most Common GST Filing Mistakes (and How to Avoid Them)

Most GST notices trace back to the same handful of avoidable mistakes. Here are the seven that catch businesses out most often — and how to stop them.

11 min read·Updated 29 Jul 2026
GST Basics

CGST, SGST & IGST: How Place of Supply Decides Your GST

Every GST invoice starts with one decision: CGST + SGST, or IGST? The place of supply makes that call. Here is how it works, in plain English.

10 min read·Updated 29 Jul 2026
e-Way Bills

e-Way Bills: When You Need One and How to Generate It

Move goods worth over ₹50,000 and you almost always need an e-way bill. Here is exactly when it applies, how long it lasts, and how to generate one.

9 min read·Updated 29 Jul 2026
GST Returns

GSTR-9 Annual Return: A Complete Guide

GSTR-9 is the once-a-year summary of everything you filed. Here is who must file it, when it is due, and how it relates to GSTR-9C and your monthly returns.

9 min read·Updated 29 Jul 2026
GST Returns

GSTR-1 Explained: Reporting Your Sales Correctly

GSTR-1 is where you report every sale — and it directly decides whether your customers can claim their input tax credit. Here is how to get it right.

8 min read·Updated 29 Jul 2026
Input Tax Credit

Input Tax Credit & Blocked Credits: The Section 17(5) Guide

Some input tax is simply not claimable, however genuine the expense. Section 17(5) is the list — and claiming from it is a classic audit trap.

10 min read·Updated 29 Jul 2026
GST Compliance

Reverse Charge Mechanism (RCM) Under GST, Explained

Under reverse charge, the buyer pays the GST, not the seller. It sounds odd, but for notified supplies it is mandatory — and easy to miss. Here is how it works.

10 min read·Updated 29 Jul 2026