Open the BSNL self-care portal or a trusted bill payment app
Sign in or create an account if required
Select Landline Bill Payment
Enter your BSNL landline number or customer ID
Verify the bill amount shown on the screen
Choose a payment method such as UPI, debit card, credit card, net banking, or wallet
Complete the payment
Save or download the payment receipt
Check your email or SMS for payment confirmation
Repeat the same steps for future BSNL landline bill payments