TDS Under GST - Section 51 Complete Guide

📅 February 17, 2026 ⏱️ 8 min read
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Quick Summary

Government departments & specified entities deduct 2% TDS on payments > ₹2.5 lakh under Section 51.

What is TDS Under GST?

Section 51 requires certain entities to deduct 2% GST (1% CGST + 1% SGST or 2% IGST) from payments to suppliers.

Who Deducts TDS?

  • Central Government departments
  • State Government departments
  • Local authorities
  • Government agencies
  • PSUs (as notified)

When to Deduct?

Threshold: Total contract value > ₹2.5 lakh

Rate: 2% (1% CGST + 1% SGST or 2% IGST)

On: Payment amount (excluding GST)

How It Works

Invoice: ₹1,00,000 + ₹18,000 GST = ₹1,18,000

TDS: 2% of ₹1,00,000 = ₹2,000

Payment: ₹1,18,000 - ₹2,000 = ₹1,16,000

Supplier claims: ₹2,000 TDS credit

Compliance

  1. Deduct TDS at time of payment
  2. Deposit to government by 10th next month
  3. File GSTR-7 monthly
  4. Issue TDS certificate (GSTR-7A)