6. TTSL had started experiencing CATV interference in its Delhi Network since October 2007. Therea�er, it had spread to other places like Ahmedabad, Kolkata, Bangalore, Kerala, Hyderabad etc. TTSL in�mated all concerned through various le�ers including Wireless Monitoring Organiza�on (WMO), a wing of DOT responsible for resolving interference issues, WPC and TRAI regarding impact of degrada�on of quality of service due to CATV interference. WMO has carried out interference measurement at number of places on several occasions and confirmed the source of interference as CATV signals. WMO has asked these CATV operators to switch off the interfering channels. Therea�er, the interference level has gone down. However, the approach followed by WMO, by asking CATV operator to switch off the channel transmi�ng at CDMA carrier allo�ed to TTSL, is not yielding the desired result in controlling the interference. On direc�on from WMO officials; local CATV operators switch off the culprit channel only for a short dura�on of 1-2 hours and therea�er, when these officials leave the site, they