Buy NETC FASTag online with ICICI Bank for smooth, cashless toll payments. Avoid long queues and experience seamless travel on Indian highways. Apply now! FASTag is an electronic payment system for paying tolls at highway booths. Each time you pass the booth, the system automatically scans the FASTag card and deducts the amount from the linked bank account . The transaction details are sent to you on the registered mobile number . This blog provides a step-by-step guide on changing FASTag mobile numbers quickly and without hassle. Whether you've changed numbers or lost access to an old number , follow this simple guide on how to change FASTag ... Find here the ICICI Bank FASTag helpline number details online. Sort your queries related to FASTag by getting all the relevant answers to your Complaint. Read more for details!