Tata Sky is a satellite TV service that allows you to enjoy all your favorite TV channels in digital quality. Tata Sky is using INSAT 4A, which is an Indian satellite launched by ISRO in December 2005. Tata Sky is a TATA and STAR joint venture where TATA holds 80% share and STAR 20% share. With satellite TV you can receive all the channels beamed via satellite directly at your home in crystal clear digital quality picture and sound. Cable works on analogue technology wherein a cable operator receives all the channels and connects every home via lengthy cables.