The monolithic Nandi.

Halfway between the eastern gopuram and the sanctum, set on the central axis of the temple, sits a bull. Six metres long, two and a half metres at the shoulder, carved from a single block of black granite — the largest monolithic Nandi in any Chola temple, and second in scale only to the Vijayanagara-era Nandi at Lepakshi.

The bull watches the lingam. The lingam stands at the western end of the central axis, inside the sanctum; the Nandi sits at the eastern end of the same axis, facing west. Between them runs the long architectural diagram of the temple — a thirty-six-metre sight-line, of which the Nandi anchors one end and the vimana the other.

Who Nandi is.

Nandi is Shiva's vahana — his vehicle, his mount, the bull that carries him across the sky. In Saiva temple practice the Nandi is also the guardian of the sanctum: he sits permanently outside the inner shrine, eyes fixed on the lingam, watching for the duration of the worship. Every Saiva temple has one. Most are modest — perhaps a metre or so long, carved or cast.

The Brihadeeswara Nandi is exceptional, not in iconography (he is a textbook seated bull, garlanded and decorated) but in scale. He is large in the way the vimana is large: on purpose, deliberately, as a statement of imperial confidence and access to material resources.

The dimensions.

The accepted modern measurements come from the 1995 Pichard survey: total length approximately 6.0 m, height at the hump 2.5 m, width across the body 2.5 m. The block is carved from a single piece of fine-grained black granite, distinct in colour and texture from the lighter granite used for the temple structure. The total mass is estimated at approximately 20 tonnes.

For comparison: the Nandi at Chamundi Hills, Mysore (a Vijayanagara work of the sixteenth century) is about 4.9 m long. The Nandi at Lepakshi (also sixteenth century) is 8 m long. The Brihadeeswara Nandi sits between them, predates both by centuries, and was carved at a moment when the technology of moving and finishing a 20-tonne block was still being developed.

Chola or later?

The dating of the Nandi is one of the small, persistent scholarly debates of Brihadeeswara studies. The eleventh-century Raja Raja inscriptions do not explicitly mention a free-standing Nandi outside the sanctum, although they do mention substantial offerings to “the bull”. The stylistic features — the proportion of head to body, the form of the hump, the treatment of the garland — match late Chola or even early Vijayanagara work better than they do the high Chola period.

The current consensus (Sivaramamurti, 1955; Pichard, 1995) is that the present Nandi is a late Chola or early Nayak replacement, possibly sixteenth century, of a smaller original. The original may have been moved into a less prominent position or removed entirely. The Nayak-era mandapa that frames the current Nandi is consistent with this dating.

The Nayak mandapa.

The Nandi sits inside a pillared pavilion — a mandapa — that postdates the Chola temple by some five centuries. The pavilion is a Vijayanagara-Nayak work of the mid-sixteenth century, with sixteen carved pillars and a flat granite roof. The capitals of the pillars carry Vijayanagara-style yali figures (lion-elephant hybrids), distinctly unlike anything in the eleventh-century Chola program.

The mandapa was almost certainly built specifically for the present Nandi. The proportions are exact: the pavilion is just wide enough to clear the bull's shoulders and just tall enough to frame his head, with a few centimetres of clearance on every side. Either the mandapa was built around an existing oversize bull, or both were planned together — which is more likely the case.

“The present Nandi and its mandapa form a coherent Nayak-era composition, set on the Chola temple's central axis. The original Chola arrangement, whatever it was, is no longer recoverable.”— C. Sivaramamurti, Tanjavur and the Cholas, ASI, 1955

Iconography and orientation.

The bull is shown seated, head turned slightly to the right, body relaxed, eyes wide and fixed forward. He wears a carved garland around the neck, ornamental bells on the chest, and an elaborately incised decorative back-cloth. His left foreleg is folded beneath the body; the right foreleg is extended, the hoof resting flat on the granite base. He faces precisely west — the direction of the lingam in the sanctum.

The orientation is part of the architectural diagram. The Nandi's eyes are positioned, at a seated visitor's eye level, to look directly along the central axis through the eastern gopuram, across the inner courtyard, and into the sanctum beyond. The sight-line is direct and unobstructed when the sanctum doors are open.

How to see it.

The Nandi is easy to find — it sits between the inner courtyard's eastern entrance and the vimana, and is impossible to miss. The best time to photograph it is mid- morning (around 09:00 – 10:00), when the sun comes through the eastern gopuram and catches the front of the bull at a clean angle. Tripods are not allowed inside the mandapa itself; hand-held shooting is fine.

On the morning of the equinox the sun rises precisely through the gopuram and hits the Nandi's left flank at about 06:15. This is one of the small annual events that the temple staff and regular worshippers notice; tourist guides almost never mention it.

Further reading

• C. Sivaramamurti, Tanjavur and the Cholas, ASI, 1955 — for the dating argument.
• Pierre Pichard, Tanjavur Brhadisvara: An Architectural Study, IFP/EFEO, 1995 — for the dimensions and the Nayak mandapa.
• George Michell, The Hindu Temple, University of Chicago Press, 1988 — on Nandi iconography across the South Indian tradition.