Sachar, Nayar and some activists have expressed concern regarding DU's "hurried" implementation of new undergraduate programme which is to replace the existing three-year degree course in the letter to Prime Minister Manmohan Singh.
"Such a basic change in the higher education system or policy should first be considered and examined by the MHRD and Parliament in consultation with prominent educationists of India," the letter said.
"The Delhi University does not exist in isolation. If this change is so valuable, it should be implemented on national level and there should be a national debate about its merit. Delhi University can wait for a couple of years in the best interest of students all over India," it read.
They also said students coming from weaker sections, especially those belonging to SC, ST and OBC, would face difficulties in pursuing the new programme as they would not be able to meet the expenditure of an additional year.
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"In view of the serious apprehensions voiced by so many educationists, social workers and teachers, we plead to intervene and prevent its implementation immediately," the intellectuals said in their letter.
A section of teachers and students have been organising several campaigns to oppose four-year undergraduate programme which will be introduced from this year's academic session.
The admission process for various courses under the new pattern will begin from June 5.