Here are some things you should keep in mind.Filling bubbles after each question is time consuming you should always fill omr sheet at last.You should always keep more than required time to fill the bubbles at last or else it will become a nightmare.Most mistakes occur when you skip a question. Extra care should be taken at a point where a question is skipped. Repeating in mind that i need to skip that bubble too.While filling bubbles you should speak in mind the question you are answering and the option you are filling. Eg. For 4th b/2 optionu2026for 10th c/3 option.