Whether a President or member could be removed from the office

Yes.
A. National President, Members of National or Regional Tribunal The Central Government may, after consultation with the Chief Justice of India, in case of the President, Judicial Members and Technical Members of the National Bench, Regional Benches or Technical Members (Centre) of the State Bench or Area Benches, may remove from the office such President or Member, who—
(a) has been adjudged an insolvent; or
(b) has been convicted of an offence which, in the opinion of such Government
involves moral turpitude; or
(c) has become physically or mentally incapable of acting as such President, State President or Member; or
(d) has acquired such financial or other interest as is likely to affect prejudicially his functions as such President, State President or Member; or
(e) has so abused his position as to render his continuance in office prejudicial to the public interest:
B. State president and members of the State or area Tribunal:
Similarly, the State Government may, after consultation with the Chief Justice of High Court, in case of the State President, Judicial Members, Technical Members (State) of the State Bench or Area Benches may remove the member under the circumstances discussed at (a) to (e) above.
However, the President, State President or the Member shall not be removed on any of the grounds specified in clauses (d) and (e), unless he has been informed of the charges against him and has been given an opportunity of being heard.

(ICAI FAQ PUBLICATIONS 06-09-2017 Qualification, appointment & condition of service of the President and the members of the Tribunal: FAQ NO. 36)