The species is endemic to Sirumalai and surrounding hill ranges of the southern Eastern Ghats, in Dindigul district of Tamil Nadu state in South India.

U. dindigalensis is found only in Sirumalai, a part of the southern Eastern Ghats in Dindigul district of Tamil Nadu in South India.

The dorsum of U. dindigalensis is yellowish with small dark brown spots, the yellow scales dark-edged.

The rostral is laterally compressed, about two fifths the length of the shielded part of the head, the portion visible from above much longer than its distance from the frontal.

[3][4] A poorly-known snake, U. dindigalensis is not often documented in scientific studies due to its very small geographic range.