If you opt for HSEE it is necessary to practice solving sample question papers on a regular basis.The students need to develop knowledge on current events and developments in the world. They also need to sharpen their analytical and writing skills...Apart from using textbooks of 10+2 education system, you need to enhance your general awareness and knowledge to clear HSEE...Understand that the writing section is what creates the most difference. You should go the extra mile by reading a book or two by important people in the field of administration, law, economy, etc.