Infosys Founder-Chairman N.R. Narayana Murthy (NRN) and his wife Sudha Murty donated a golden conch (Abhisheka Shankam) for the use of ablution of idols and a golden tortoise  (Kurmam) idol, weighing 2 kilograms, to Tirumala Tirupati Devasthanams (TTD) yesterday. Sudha Murty, who was the Trust Board Member of TTD earlier, handed over the articles to TTD Executive Officer A.V. Dharma Reddy at Ranganayakula Mandapam along with NRN.