Section 201 in The Board of Secondary Education (Madhya Pradesh) Regulations, 1965
201.
The expression "regular course of study" means attendance of at least 75 per cent of the lessons and other teaching in a recognised institution in the subjects for the Examination at which the candidate intends so appear, and at such other practical work (such as work in a laboratory) as is required by these regulations or any other provisions in force for the time being.
