Name the Tamil author who was announced the winner of the Saraswati Samman 2011 by K.K. Birla Foundation announced on March 22, 2012 for his book Irama Kathaiyum Iramayakalum.

• A. Jeyamohan
• B. Dhanushkodi Ramasamy
• C. A.A. Manavalan
• D. Sundara Ramasami