Can be identified by checking combination of characters: Blackish-brown dorsal irregularly marked with fine yellow lines along the body, rostral as long as its distance from frontal and clearly flat caudal disc.
Average length- 20cm. Maximum length- 30cm.
Body short, cylindrical and covered with glossy smooth scales. Dorsal color dark brown to glossy black with more of less fine yellow markings which include two series of fine lines along vertebra with which small dots or lines remain more or less connected somewhat perpendicularly. Usually a thick line runs along forebody or sometimes along whole body from posterior lips.
Belly more of less patched with yellow in irregular manner or remain patternless up to 2-4 dorsal rows.
Head small, not broader than neck, with moderately pointed snout and covered with large shields. Eyes small in the form of dot and covered by a large ocular shield. Color similar to dorsal, sometimes with irregularly arranged yellow dots on top shields. Upper and lower lip marked with yellow.
Tail very short, marked with thick yellow streaks on both sides of subcaudal and joined by same color band over anal. Caudal disc flat in sloppy manner, milti-carinated and ends with two spines lying side by side.