ISLAMABAD, Mar 11 (APP): Prime Minister Muhammad Nawaz Sharif on Friday turned down a proposal of the Establishment Division seeking enhancement of the upper age limit from 28 to 30 years for the Central Superior Services (CSS) Examination. According to a document available with the APP, the Prime Minister’s Office rejected the summary saying that it did not agree with the justification given by the Ministry of Planning, Development and Reform and the Establishment Division that there had been an increase in the number of academic years from 14 to 16 for the Bachelors Degree for CSS candidates.