Step 1: List Kanayi Kunhiraman's sculptures.
(B) Yakshi (1969): A famous nude figure in the Malampuzha Dam gardens.
(C) Aattam (1987): Another significant work by the artist.
Step 2: Identify the artists of other works.
(A) The Chariot of Sun: A monument at the Sun Temple, not a sculpture.
(D) Santhal Family (1938): Sculpture by Ramkinkar Vaij.
Step 3: Combine the correct works. Kanayi Kunhiraman's sculptures are (B) and (C).