Abstract: NLP is an area of research where many researcher have presented their work and is still an area under research to achieve higher accuracy. Researcher is going to use NLP for automatic question generation system. As in any education system, examination is conducted to judge the caliber of the students. So to conduct the examination, educator needs to generate the questions manually which is very time consuming process, so researcher has decided to develop system through which, automatic questions can be generated, and time and efforts will be reduced. To develop automatic question generation, many researcher has presented their work and many algorithms are proposed to generate the automatic question from given sentence or text. This paper presents review of work to generate questions automatic from inputted text. Paper reviews methodologies with respect to the phases of question generation.