The temple is located on the banks of Kusasthali river at Bugga Agraharam, near Nagari, 56 kms SE from Tirupati. It is currently maintained by TTD. The main deity is Sri Kasi Visweswara Swami, with his consorts Sri Annapurna and Sri Kamakshi Devi. Even today the 9th day or 11th day ceremony after one's dernise are conducted here near the temple. Beside the temple lies the Kanchi Kamakoti Peetam Building Ashram. The Adhisankara Acharya visited this temple and constructed this ashram in the year 1932. This Kasi Vishweshwara Swamy Temple was further constructed by the Samsthanadhipathis. Kalyanotsavam seva is performed once in a year on Panguni Uttaram day. The main utsavams are: Pradosha puja (twice a month), Kala Bhairava Ashtami (monthly), Kartika-Induvasara pooja and Maha Shivrathri.
Devotees visit this temple to seek fulfillment of the following:-
- Relief from diseases
- Purchase of vehicles
- Gain Knowledge
Kailaasarana Shiva Chandramouli Phaneendra Maathaa Mukutee Zalaalee Kaarunya Sindhu Bhava Dukha Haaree Thujaveena Shambho Maja Kona Taaree
Meaning -Oh Lord Shiva who is seated on Mount Kailash, where the moon decorates his forehead and the king of serpents crown his head, who is merciful and removes delusion, You alone can protect me. I surrender to thee.
Aum Trayambakam Yajaamahey Sugandhim Pusti Vardhanam Urvaarukamiva Bandhanaath Mrutyor Muksheeya Maamritaat
Meaning -We worship the fragrant Lord Shiva, who has 3 eyes and who cultivates all beings. May He free me from death, for immortality, as even a cucumber is separated from its bond with the vine.