To answer this question, the user needs to have knowledge about Hindu mythology and its characters.
The question is asking about the chief of Nagaloka in Hindu mythology. Nagaloka is the realm of the Nagas, which are serpent-like creatures in Hindu mythology.
Now, let's go through each option and explain why it is right or wrong:
A. Kaliya: Kaliya is a venomous serpent in Hindu mythology who lived in the Yamuna River. He is not the chief of Nagaloka, so this option is incorrect.
B. Vasuki: Vasuki is a king of the Nagas and is considered the chief of Nagaloka. He is also known as the king of serpents. Therefore, this option is correct.
C. Takshaka: Takshaka is a Naga king who is associated with the Mahabharata epic. He is not the chief of Nagaloka. Therefore, this option is incorrect.
D. Ananta: Ananta is a serpent deity in Hindu mythology who is associated with the god Vishnu. He is not the chief of Nagaloka. Therefore, this option is incorrect.
The Answer is: B (Vasuki)