Abstract: Now Days all people have more concentration about security about data when sending data on the network. Hence new concept is invented, Data hiding in Encrypted video is invented. Data hiding in video preferred encryption algorithm using secrete key because it maintains the originality of the transmitted data at the at the receiver end after decryption. In this way data hide in encrypted video preserve the confidentiality of the content. The data hider may add the additional data in the encrypted video without knowing the original video content. In other hand decryption level the two schemes is available for getting the data first scheme is get the data then decrypt the video and second one is first decrypt the video then get the data.

Keywords: Data Encapsulation, Feature Extraction, Video Coding, Privacy protection, Data Mining.