Can be identified by checking black edge on most of the dorsal scales (specially on top dorsals) on grayish-brown ground color.
Average length- 100cm.
Maximum length- 145cm.
Body long, slender and covered with smooth scales; somewhat robust in adults. Ground color pale brown or grayish-brown (mainly in juveniles) with almost each dorsal scale margined with black except very first or first two rows near belly. Top dorsal rows have border bolder than side region; the topmost row in juveniles makes a black chain from posterior of head to end of the tail which is done by connecting black margins of top rows.
Belly white or yellowish-white, gray or cream in adults; juveniles have greenish-white color underside.
Head elongated, not depressed on top and slightly broader than neck. Color similar to rest of dorsal body. Distinct ridge found between the top and side of head. Top of the head in young stage usually have two long tear shaped patches on parietals which can be vary in shape and prominence. Upper lip lighter than top. Large eyes with rounded pupil.
Long, slender and thin tail have dorsal patterns in faint form.