Section 131A(1)(a) in The M.P. Factories Rules, 1962
(a)For factories employing upto 50 workers. - (i) The services of a Factory Medical Officer on retainership basis, in his clinic to be notified by the occupier. He will carry out the pre-employment and periodical medical examinations stipulated in Rule 131 and render medical assistance during any emergency;(ii)a minimum of 5 persons trained in first-aid procedures amongst 'whom atleast one shall always be available during the working period;(iii)a fully equipped fist-aid box.