The Rebbe supports moving the yeshiva to Lod for better focus but advises maintaining a presence in Tel Aviv. He stresses training students to chazar maamarim and broadening their Chassidus knowledge. He conveys blessings and notes reading the recipient’s Pidyon Nefesh at the Ohel.
https://www.torahrecordings.com/rebbe/004_igros_kodesh/kislev/842