The statement of purpose (SoP) should be of two pages, not more than 2MB if it is a PDF file. Don't worry about the statement of purpose format, just start writing as described below:
• 1st Paragraph: While writing about your aim in life, you should also show your excellence in academics. The first paragraph is going to create the 'first impression', so it should be carefully crafted to show your interest in the chosen field from the very beginning. You can explain why have you chosen this field after 12th, how have you pursued it with great vigor till your bachelors, showing consistency towards the field. You may write briefly about subjects covered (tactfully link them with your specialization of masters) during bachelors.
• 2nd Paragraph: You can write about your career goal, future plans, what you want to be, your confidence and skills to pursue postgraduate/doctoral studies in that field. You can explain everything, relating it to your chosen field.
• 3rd Paragraph: Here you can write about your projects done, your internship, your paper presentation seminars/symposiums attended, about the awards got, publications, reading related journals, etc. Do not just write point-wise. You should skillfully interlink everything, stressing on your field of interest. The essay should not sound personal too.
• 4th Paragraph: Here you can describe your extra curricular activities, like sports, drama, music, etc., your technical and managerial skills, your ability to work as a team member, result oriented efforts, etc. Everywhere you are supposed to convince the admission committee members how all these activities have inspired you, influenced you to choose this particular field and how these achievements are going to help you achieve your goals.
• 5th Paragraph: In this paragraph you can write about your social activities if any. For instance, organizing a blood donation camp, organizing an event in your college, which