Can be identified by checking 1) Checks on dorsal surface and 2) Cross-bar on neck which is replaced by inverted V in its closest species Checkered Keelback (X. piscator).
Average length- 60cm.
Maximum length- 90cm.
Body stout with keeled scales on top and smoother on side rows. Dorsal color olive brown with 6 rows of boxes or bars which gradually become faint of posterior body. These bars start from nape in the form of connected or disconnected straight bar.
Belly usually yellowish-white or white with black edge on the side of each ventral scale. Subcaudal scales paired in a zig-zag manner, their color is similar to ventral scales but sometimes can be darker than ventrals.
Head triangular with smooth and shiny scales; broader than neck. Color olive brown with two black subocular streaks; anterior below and posterior reaches to last few supralabials. Eyes have rounded pupil.
Tail also covered with highly keeled scales. Normal as typical range and ends with pointed tip. Color almost same like rest of the dorsal body but usually without any dark markings.