Similar letters were also sent to NDMC and East Delhi Municipal Corporation, with the association trying to get telecom towers of operators running to boost coverage and network strength across the city during the lockdown NEW DELHI : The Cellular Operators Association of India (COAI) has written to various municipal bodies in Delhi to de-seal telecom towers in the region in order to boost mobile services during the lockdown to curb the spread of novel Coronavirus. “As the coverage area is shrinking due to massive data usage, we, therefore, request you to kindly issue the below necessary directives to your kind office (for) de-sealing of all the existing sealed communication sites on temporary basis at least till state returns to normalcy