Any board, commission, council, committee or other agency established or designated pursuant to sections 7-148i to 7-148n, inclusive, and subparagraph (B) of subdivision (9) of subsection (c) of section 7-148, may be given the following powers: (1) The power to issue subpoenas or subpoenas duces tecum, enforceable upon application to the Superior Court, to compel the attendance of persons at heari