The following person shall not be deemed to be qualified to be enrolled as a member of the Institute:
(a) One who has not the qualification referred to in Sub-sections (2) and
(3) of Section 16;
(b) One who has not attained the age of Twenty One years;
(c)
? …………….
(d) One who has become insolvent being unable to repay loan to creditors;
(e) One who has been convicted by the court of a criminal offence involving moral turpitude;
(f) One who is of unsound mind.