It’s a black day in the history of Indian politics as DMK supremo Dr. M Karunanidhi passed away on Tuesday at the Kauvery hospital in Chennai. The whole country has been mourning the loss of an iconic leader.

A letter written by DMK working president and the son of Dr. Karunanidhi, MK Stalin has been released now. An emotional MK Stalin has written the letter to his demised father M Karunanidhi with a heavy heart. In the letter, MK Stalin has written that he has called M Karunanidhi as ‘Thalaivar’ on most occasions and not as ‘Appa’.