The move comes amid an ongoing litigation in the Supreme Court against the conversion of all government schools, from classes 1 to 6, to English medium.
As per the revised timeline, every year the application window for fresh affiliation and upgradation of affiliation will open three times - March 1 to 31, June 1 to 30 and September 1 to 30.
Minister Ramesh Pokhriyal 'Nishank' said a decision on when the exams will be conducted will be taken later after due consultations and assessment of the situation.
The Education Minister has already clarified that there will be no change in the syllabus for medical entrance exam NEET or engineering entrance exam JEE-Main next year.