The News Minute | September 1, 2014 | 12:03 pm ISTThe Central government plan to rename Teachers’ Day as Guru Utsav has irked DMK supremo M Karunanidhi as he called it a “conspiracy to downgrade Tamil language”.After hearing news of a circular issued to all schools asking them to celebrate Teachers’ Day as Guru Utsav, he said that the central government was trying to impose Hindi on the state to destroy Tamil culture, said the IBNLive report .