Which method of recruitment will be suitable in following cases:
(i) When vacancy arises, company makes use of unsolicited applications.
(ii) Recruitment by which most of senior positions of industry are filled.
(iii) When there is bulk order, casual vacancies of unsoiled jobs arises

Explanation

(i) Casual callers method In this method, company makes use of database of unsolicited applicants which are kept in file. Company recalls them to fill the current vacancies.
(ii) Advertisement method This method is used to fill the most of the senior positions of the industry as well as commerce.
(iii) Direct recruitment method Through direct recruitment, casual vacancies of unskilled or semi-skilled jobs are filled, when there is a rush of order or when some permanent workers are absent.