The correct option is A Kaladi in Kerala
Shankaracharya was an early 8th century Indian philosopher born at Kaladi in Kerala who consolidated the doctrine of Advaita Vedanta. It is a Hindu philosophy which focuses on Brahman, atman, vidya (knowledge), avidya (ignorance), maya, karma and moksha. It refers to the idea that the soul or Atman is the same as Brahman. It has roots in the oldest Upanishads.