He was accompanied by his daughter Isha and son Ananth.
P Lakshmi Narayana, Officer on Special Duty, Tirumala Tirupati Devasthanams (TTD) which manages the temple, said Mukesh Ambani with his children participated in the celestial bath (Abhishekam) conducted for the main deity this morning.
The RIL chairman had arrived here after midnight last on a day's pilgrimage, he added.
Ambani had yesterday announced free voice calls and free national roaming along with rock-bottom data prices on his new Reliance Jio network that will debut on September 5.
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