Open Basic Education (OBE) program of NIOS is equivalent to the elementary education program of the formal education system.
In six to fourteen (6 to 14 )years of age group, a child should have at least attained the age of 7 years for registration at Level A, 9 years for Level B and 12 years for Level C as on the 31st March of the year of registration.
Level A: Equivalent to Class 3 in all India level and to Class 2 in Kerala
(Subjects Offered :- English, EVS, Malayalam, Math/Computer)
Level B: Equivalent to Class 5 in all India level and Class 4 in Kerala.
Level C: Equivalent to Class 8 in all India level and Class 7 in Kerala.
(Subjects offered in Level B and C :- (English, Malayalam, Science, Social Studies, Math/Computer)