Every two years, a National Achievement Survey of students is conducted across India to try to gauge the Learning Gap of the students. This is called NAS for short. The last survey was conducted in 2017. The survey will be conducted on November 12 this year on third, fifth, eighth and tenth class students of different schools. The number of students in which classes of which schools will be included in this survey will be randomly selected and the selected schools will be informed in time whether the examination will be online or offline. The topics that will be surveyed on a class basis are as follows…. Class SUBJECT Mark Class- III Bengali 15 Mathematics 17 Environmental studies 15 Class V Bengali 15 Mathematics 20 Environmental studies 18 Class VIII Bengali 30 Mathematics 30 Science 30 Social science 30 Class X Bengali 35 Mathematics 35 Science 35 Social science 35 English 35 Science= Physical science + Life science Social science= History + Geography Class Ill and Class V w