Common Krait All Information: The Silent Predator You Need to Know About. The Common Krait , scientifically known as Bungarus caeruleus, is one of the most venomous snakes in India and a member of the “Big Four” snakes responsible for the majority of snakebite cases in the country. The Common krait ( Bungarus caeruleus ) is a highly venomous snake native to the Indian subcontinent. It is a member of the "big four" species, inflicting the most snakebites on humans in Bangladesh and India. Common Krait is an infamous venomous snake capable for delivering neurotoxic bite during night time. This is one of the most common medically significant snake also the member of "Big Four" of India. Morphologically it is identified by glossy blue-black body with fine milky white bands. The common krait ( Bungarus caeruleus ), also known as Indian krait or blue krait) is a species of venomous snake of the genus Bungarus found in the jungles of the Indian subcontinent.