Hello,

Yes, in order to become Block Development Officer you have to appear for PSC exam of your state, every state conduct their own PSCs exam which has a similar pattern to that of UPSC Civil Service, there are preliminary, mains and interview stage, the eligibility remains the same that is passed graduation in any discipline from a recognized university with no specific aggregate. In order to know more specific details, kindly visit the official website of your state PSC for this.