I retrieved a few past papers from the official source of CSS exams, the website of the Federal Public Service Commission of Pakistan, and here are a few examples.

CSS papers of 2016: FPSC report finds poor level of scholarship English continues to be a problem area in which most candidates fail ...

Developed by Ethos Consultancy, the model is the first step by DED towards acquiring the Customer Service Standard (CSS) certification. Following its successful roll out at the Business ...