, i think it is beyond the digestive part for tatasky , thy cannot do it so easily , changing the hardware of all its custmers ?also chances r that plans r on that tata sky will migrate to mpeg4 very soon
well i read some where isro is talks with forign satellites to move on over indian sky's , this will be possible , till our own ISRO satellite takes place
well it would be better that if your thought would come true , thanks