What award given yearly to expert Carnatic Musicians did D. K. Pattammal receive?
D. K. Jayaraman:  He was awarded the Madras Music Academy's Sangeetha Kalanidhi in 1990. Sangeetha Kalanidhi: Sangeetha Kalanidhi or Sangita Kalanidhi (Sanskrit: saṅgītakalānidhi ) ("sangeetha" = music, "kala" = art, "nidhi" = treasure) is the title awarded yearly to an expert Carnatic Musician by the Madras Music Academy.
Sangeetha Kalanidhi