Where a person is detained in pursuance of a detention order which has been made on two or more grounds such detention order shall be deemed to have been made separately on such grounds and accordingly-
(a) Small such order shall not be deemed to be invalid or inoperative merely because one or some of the grounds are-
(i) Vaguet;
(ii) Non-existent;
(iii) Not relevant;
(iv) Not connected or non proximately connected with such person; or
(v) Invalid for any other reason whatsoever, and it is not therefore, possible to hold that the authority making the order would have been satisfied as provided in sub-section (1) of section 3 with reference to the remaining ground or grounds for making the detention order; and
(b) The authority making the order shall be deemed to have made the detention order after being satisfied as provided in sub-section (1) of section 3, with reference to the remaining ground or grounds.