Nature has become unpredictable causing severe water shortage on one hand and at times sudden flooding and on the other hand making man responsible for the root cause for such climatic changes. Flooding causes extensive damage to human life and property along with loss of flora and fauna. In Chennai, manifold increase in population has resulted in encroachment of the water bodies. Chennai city houses a population of herpetofauna especially snakes. The unprecedented flooding of Chennai city and its suburbs during the months of November and December, 2015 resulted in extensive loss of human life, animals and habitat loss to both man and animal. Keeping in view of the above mentioned factors, the present study was done to assess and record what this natural calamity has caused to the snake population in Chennai city along with their rescue and rehabilitation measures during this time.