The document has been obtained from File CPI/147/1948 of the P.C. Joshi Archives, Jawaharlal Nehru University, New Delhi.
The link below gives access to a PDF file of this pamphlet:
History Archive: Communist Party of India's resolution on Pakistan and National Unity, September 1942
Sris Chandra Chattopadhya on the Objectives Resolution, Constituent Assembly of Pakistan March12, 1949
Pakistan's Law Minister, Jogendra Nath Mandal's Resignation Letter, October 1950
The Law of Killing: a brief history of Indian fascism