Conversation so far:
What happened to Henry Kissinger during the Bangladesh War?
Under Henry Kissinger's guidance, the United States government supported Pakistan in the Bangladesh Liberation War in 1971.
Are there any other interesting aspects about Henry Kissinger in the Bangladesh War?
Henry Kissinger sought to demonstrate to the People's Republic of China the value of a tacit alliance with the United States.
Why was Henry Kissinger concerned during the Bangladesh War?
Henry Kissinger was particularly concerned about the expansion of Soviet influence in the Indian Subcontinent as a result of a treaty of friendship recently signed by India and the USSR.
Was Henry Kissinger successful at demonstrating to the People's Republic of China the value of a tacit alliance with the United States?
Henry Kissinger had come under fire for private comments he made to Nixon during the Bangladesh–Pakistan War.

Question: What did the telegram say?
Self-contained rewrite: What did the telegram to Henry Kissinger during the Bangladesh War say?