Angami Zapu Phizo was a prominent Naga nationalist leader who founded the Naga National Council (NNC) and played a key role in the Naga independence movement. While "Sikhki Pranja Mandal" seems to be a misnomer, the key figure associated with Naga nationalism is indeed Angami Zapu Phizo, who was instrumental in the independence movement of the Naga people.
Context of the Naga Nationalist Movement: The Naga independence movement, led by Phizo, aimed to establish a separate state for the Naga people, and this struggle became a critical part of post-independence India’s political history.