Lycodon aulicus Hi Shyamal thanks for quickly pulling out references There seems to be many name suggestions valappannayan kundan karawila from your source olaippambu floating around It looks like what we used to call in our coconut groove rich region olaippambu perhaps alluding to dried coconut leaves and Ayyappan Kutti for whatever reason Two traits it being mistaken for the Common Krait and many snakes of the species seen in the vicinity of each other stand out in my memory I wanted the Tamil Vernacular names for the Tamil Wiki article on Batesian mimicry