From Thomas Ambalavayal to the Prime Minister of India - (:unkn) unknown (My University, 2024)
Memorandum submitted by Edakkal Cave Protection Committee, WPSS, historians, social organisations and environmentalists of Wayanad district, Kerala State. Regarding the protection of Edakkal Cave and cancellation of Pattayam issued by Administrative officer, Ambalavayal over the Edakkal Cave.