The notification you receive will depend on the payment method you choose:  
(i) Online Self-Service: e-receipt will indicate payment confirmation.
(ii) IVR:  Payment status will be notified over the IVR and an SMS notification will be sent for successful transactions.
(iii) SMS: Payment status will be notified via SMS.
(iv) Call: Payment status will be notified via SMS.
(v) Customer Service Centre: Physical receipt will indicate payment confirmation.