Even i am facing similar issue, channels got automatically unsubscribed and i had to again give missed call. Looks like either Tata Sky is deliberately doing this to create inconvenience/glitches in order to lower Free On Request Activation Count , trying to show poor demand for channels & pay less to Sony or maybe their system is facing some bug or they are working to include them under a new process/present packs. Let's wait what happens. In the past too they have acted tough on broadcasters which took them head on & fought cases against them