Income-tax TDS calculator for contract bills
Works out the income-tax TDS deducted from your RA bill at the rate configured for your contract, on the base you choose.
- Applies to
- Payments to contractors on works contracts
- Rates
- Set per contract
- Last checked
- 10 November 2026
Inputs and result. Every rate is yours to set.
Before GST.
2% is the example contract's configured rate for a company contractor. Use the rate set for your contract.
Income-tax TDS this bill
₹41,698
- TDS base₹20,84,879
- Rate as configured2%
- TDS deducted₹41,698
Rule applied. Under the Income-tax Act, 1961, TDS on contract payments was deducted under section 194C (1% for an individual or HUF, 2% for others). The Income-tax Act, 2025 applies from 1 April 2026 with renumbered provisions. Use the rate configured for your contract and confirm it with your tax adviser.
Last checked 10 November 2026
The steps behind the figure
- Take the amount paid or credited for this bill.
- Choose whether the base includes GST, as your client deducts it.
- Multiply by the TDS rate configured for the contract.
- Match the deduction against Form 26AS and the AIS.
- Value of work done, this bill20,84,879
- Retention, 5%- 1,04,244
- Mobilisation advance recovery- 1,50,000
- Interest on advance- 12,375
- Secured advance adjusted- 2,40,000
- Labour welfare cess, 1%- 20,849
- Income-tax TDS, 2%- 41,698
- GST TDS, 2%- 41,698
- GST on the invoice, 18%+ 3,75,278
- Recoveries, 7 lines- 6,10,864
- Net payable₹18,49,293
Has the TDS section number changed?
Yes. The Income-tax Act, 2025 applies from 1 April 2026 and renumbers the provisions. The bill should quote the section your client's deduction certificate uses.
Is TDS on the value with GST?
That depends on how the GST is shown and on your client's practice. Choose the base the client uses so your figure matches theirs.
Does Tatha Vastu file TDS returns?
No. It works out and records the deduction on each bill, and the reconciliation against 26AS stays with your accounts team.