A group of health experts and doctors have come together on the same platform to dispel fears of harmful effects of radiation from mobile phones and towers. As part of an awareness campaign by the Cellular Operators Association of India (COAI), the experts have assured mobile phone users that radiation does not affect the health of a person. Various environmental groups, NGOs and activists in India have voiced their concerns over adverse health affects from Electromagnetic Field (EMF) emissions from antennas on cell towers and mobile phones.