Trai — the packs and their prices being advertised by different channels

Now a days different channels are alluring through advertisement to buy their packs like - star says to buy their star value pack just for rs 49 and colors for 31 and similarly other channels. But dth are not showing the same price of the pack. What add is being given on tv that price should be given by dth and packs also. But dth is showing individual price for each channel.