Which of the following options are mentioned in the contents of Chaturdandi Prakashika?
\[
\text{A. 72 Melakarta}
\]
\[
\text{B. Term Ra, Ri, Ru, Ga, Gi, Gu for Swaras}
\]
\[
\text{C. Establishment of Kakli Nishad on third Shruti}
\]
\[
\text{D. Mention of 33 Alankaras}
\]
\[
\text{E. Description of 122 Raags}
\]