OICL AO Call Letter 2015 | Download OICL AO Call Letter | Call Letter of OICL AO | OICL Administrative Officer Exam Call Letter | The Oriental Insurance Company Limited (OICL) published Examination of Administrative Officer (AO) Call Letter 2015. This exam will be held on Month of May-2015. Applied All Candidates can view or download his / her Call letter official website link mention below. Candidates Download your call letter Can need to enter your confirmation no. & birth date.