The Rebbe acknowledges the letter, appreciates the Chassidus study group, and urges increasing participation, especially among yeshiva students. He stresses Yiras Shamayim through Chassidus, will mention those named at the Ohel, and encourages preparation for Yud and Yud-Tes Kislev and Chanukah.
https://www.torahrecordings.com/rebbe/igroskodesh/014/003/4894