Just for information only:if there is major freezing problem in more than one channel.
Videocon d2h Troubleshooting Tips for Engineers (Here for all forum users)
Picture Freezing Problem
Probable Reason
* Low Signal Strength & Quality
*Loose connection at Reflector or Product end
* Rusting on Connector
* Any Magnetic Field near d2h Product
#Trouble Shooting Check Points
* Check Signal Strength & Quality on all Transponder and Peak align Reflector
* Check IF Cable connectivity at Reflector & d2h Product end, should not loose
* Check for any rusting inside Connector on Centre Conductor, if any replace Connector
* Check for any Magnetic field like Speaker etc. near d2h Product, if yes keep away
* Perform Factory Reset (Menu >> Setup >> Factory Reset >> Press OK Keyor Menu >> Setup >> Installation >> Installation Code >> Factory Reset >> Press OK Key
* If still problem persist, Replace d2h Product