(a)The medium of instruction in non-language subjects up to the Middle stage, i.e., up to class VII in traditional schools and up to class VIII in Basic and Sarvodaya schools shall be the mother tongue of the pupil concerned. Authorities of schools in which the total number of students whose mother-tongue is other than the language which is used as the medium of instruction in that school is 40 and above shall be expected to provide one teacher who will take classes in non-language subjects through the medium of that language.
