Idea cellular All USSD code to check balance, offer, plan, alert. USSD stands for Unstructured Supplementary Service Data is a protocol. Idea Cellular is an Aditya Birla Group company, a multinational corporation. This post will give you all USSD code of idea, so that you can track your main balance, gprs balance etc. If you are getting problem in getting … Continue reading “Idea cellular All USSD code to check balance, offer, plan, alert”