I bought UPSC form from Post office for Rs-20/-. The instruction given in that form is there is separate columns are given for the Candidates who applying for Indian Engineering Service and Engineering Service Examination. I am a B.E.Mechanical Engineering student. I want to know that if I am eligible for both IES and Engg.Service Exam or any one of the exam. Please help me to apply for the exam. Can I buy two separate form for Both the Exams? Waiting for reply!