I guess we are in agreement here. As far as I understand, the word shocking is used, in this context, at the unexpected happening of the event; not that the event happened. If I remember the sequence of events correctly, he was admitted to the hospital for a routine checkup and on Monday, his team had released a statement on his behalf that he was recuperating.

Another reason that a lot of Indians found this news shocking is because of the value and emotions attached to the name, "Tatas". Post India's independence, they were instrumental in helping India industrialized; the other were the Birlas.