The letter discusses concerns about rising cancer cases in the Vaishali colony in Delhi and their potential link to radiation from nearby cell phone towers. It notes that two towers have been installed in the area. While radiation levels are within government limits, some experts question the reliability of the self-reported compliance levels and recommend independent testing. The letter calls for forming a public health committee to monitor radiation levels and involve local residents. It provides links to research reports on the potential health effects of cell tower radiation.