Dragon Snake
It is commonly known as Tubercle Snake or Dragon snake because of its appearance.
Scientific name Xenodermus javanicus.
They have 3 rows big scale which projected from their back.They sometimes classified under colubrid family but now scientists believe they are different from them.           
Dragon snakes are very rare.                                                                  
They are nocturnal and prefer only frogs for food.
They are normally found in Thailand, Burma and Indonesia.    
Photos Of Dragon Snake