He's Zain Aftab - Foreign Service of Pakistan - 50th CTP CSS EXAMINATION NOTES Hi everyone, I am sharing my personal notes and also the notes/books I used to prepare for the exam. Feel free to use them and share them with whoever is preparing. Good luck! Leave a thankful comment 💐🙌. Download at : https://t.co/CCwx3fW6He Credit - CSP Zain Aftab ✅