Nanna MESCOM is an official Mobile APP of MESCOM which offers following services at your fingertips: 1. Online bill payment 2. Registration to one or more accounts 3. Complaint registration and tracking 4. View info on scheduled and unscheduled power outages 5. Billing, usage and payment history 6. Other important information about MESCOM - tariff, offices, FAQs etc.. along with employee side features.