Without Login:
Go to the e-Filing portal and choose 'e-pay Tax'.
Enter PAN/TAN, confirm details, and verify via OTP.
Select the tax type, assessment year, and payment method.
Verify and make the payment. Download the receipt.
With Login:
Login to the e-Filing portal.
Go to 'e-File' > 'e-Pay Tax' and select 'New Payment'.
Enter tax details, choose the payment method, and pay.
Download the receipt for future reference.