Currently in judicial custody in Tihar Jail, Chidambaram's plea said: "His health is frail. He has been kept in a cell and given food that he is not accustomed to. He has already lost 4 kgs weight in the period of judicial custody." The Central Bureau of Investigation had arrested Chidambaram on August 21.

from Times of India https://timesofindia.indiatimes.com/india/chidambaram-plea-not-accustomed-to-jail-food-lost-4-kgs/articleshow/71421720.cms