The CBSE had in December sent the proposed formula for secondary education to MHRD, according to which the students taking Class-X board exams will have to study three languages, including English as main subjects.
At present, the formula is applicable only till class 8 in CBSE schools and Class X students study two languages, including English.
"The proposal will not apply for batches taking the Class X board exams till 2019-20 because the government does not want to disturb students already following the current scheme," a senior official said.
All three languages would be main subjects in the Class X board exams. Students can study a foreign language, or a non-listed Indian language, as an additional subject, which will be non-qualifying in nature.