* Section of roll number should not be blank otherwice software will not detect the roll number.
  * it should be like this. {{::with.jpeg|}}
  * it should not be blank like this. {{::without.jpeg|}}
  * Square should be done only and only by using HD dark pencil,or by blue or black pen not by ordinary pencil.
  * Square should be fully filled, no any white part should be left inside the square.
  * Some patterns of filled square are shown below. Right and wrong patterns are there.

  * This is incorrect way of filling the MCQ sheet as underlined character is seen below.
  * {{ ::incorrect_way.pdf |}}
  * This is correct way of filling the MCQ sheet as underlined character is not seen below.Dark the square properly as seen below.
  * {{ ::correct_way.pdf |}}
  * Here is the photograph showing incorrect vs correct way of filling OMR sheet.
  * {{::comparision_between_incorrect_and_correct_way.jpeg?1600|}}
  * following image is showing wrong method to fill roll number. do not do this. {{::89wrong_roll_number.png?600|}}