To answer this question, you need to have knowledge about Hindu mythology and the concept of Nagaloka. Nagaloka is believed to be the realm or world of the Nagas, which are serpent-like creatures in Hindu mythology.
Let's go through each option to understand why it is correct or incorrect:
Option A) Vasuki - This option is correct. Vasuki is indeed the chief of Nagaloka according to Hindu mythology. He is a prominent Naga and is often depicted as a powerful and wise serpent.
Option B) Kaliya - This option is incorrect. Kaliya is a famous Naga in Hindu mythology, but he is not the chief of Nagaloka.
Option C) Takshaka - This option is incorrect. Takshaka is another well-known Naga in Hindu mythology, but he is not the chief of Nagaloka.
Option D) Ananta - This option is incorrect. Ananta, also known as Shesha, is a divine serpent in Hindu mythology, but he is not specifically mentioned as the chief of Nagaloka.
The correct answer is option A) Vasuki. This option is correct because Vasuki is considered the chief of Nagaloka in Hindu mythology.