(i)for all the proceedings under the Act, [* * *] [ The words and figures " other than those under Sections 39, 65 and 125" omitted by S.O. 657(E), dated 5.5.2006 (w.e.f. 5.5.2006).] be the head office of the patent office or the branch office, as the case may be, within whose territorial limits -