Northeast state Arunachal Pradesh finds mention in the literature of Kalika Purana and Mahabharata. State is home to 400‑year‑old Tawang Monastery, or the sites of archaeological excavations like Malinithan and Itanagar, the natural environment of lakes such as Ganga lake or Sela lake or the numerous variations of the snow clad silver mountain peaks and green meadows where thousands of species of flora and fauna prosper.