No, humans cannot physically change into snakes or any other animals. The concept of humans transforming into animals, like Ichadari Nagini or Nagam, is primarily a part of mythology, folklore, and fantasy stories in various cultures.
In some mythologies, certain individuals or creatures are believed to have the ability to shapeshift between human and animal forms. In Indian folklore, for instance, the Ichadari Nagin is a mythical creature that can take the form of a serpent or a beautiful woman. Similarly, in other cultures, there are tales of humans transforming into animals or vice versa.
However, it is essential to distinguish between mythology and reality. In the real world, humans do not have the inherent ability to physically change their form into animals or any other creatures. Shapeshifting remains a fantastical concept found in storytelling and should not be confused with reality.
Human beings are a unique species with their own biology and characteristics. While humans can imitate animal behaviors or appearances through costumes, makeup, and other means of artistic expression, they cannot genuinely transform their physical bodies into those of animals. Such transformations are confined to the realms of imagination and storytelling.