ST Ltd engaged in manufacturing of mobiles. Board of Directors consist of 8 directors i.e. Mr. Ram (Director), Mr. S (Director), Mr. Mohan (Director), Mr. Vijay (Director), Mr. N (Director), Mr. Ashish (Independent Director), Mr. N (Independent Director) & Mr. Anil (Small shareholders director). Calculate number of directors to retire at AGM on 15th Sept, 2018.