BCS the civil service of the government of Bangladesh is growing popular among the job seekers day by day. At past due to low salaries with compare to private sectors students from various prestigious universities were not so much interested about the BCS. But at present government has increases the salaries and other facilities. As a result students from all faculties are very much interested about BCS. To become a BCS cadre an applicant have to overcome three stages like preliminary exam, written exam and viva exam. Preliminary exam is the first step which needs an extra effort. Now-a-days there are many sites in internet to help for BCS Preparation. The followings are such few links which will be helpful for the BCS job seekers.