Biometric registration system turns off after the SIM card has been charged with Airtel's Dhanmondi office surrounded offended customers. At around 11 pm on

 Wednesday afternoon, nearly a thousand protesters gathered in front of the customer's office and vandalized. A huge amount of control the situation, police said. Some were known to the customer, after the manner of their sims SIM registration has been closed. SIM is put in motion to continue the protests until they are announced. However, authorities say Airtel, Mohammadpur, Sher Bengali Nagar, Hazaribagh district and the server has been shut down temporarily sims due to a technical error.