Sourashtra

Popularly known as Viyazhakkurinji Pan in Tevaram

This is a janya of the 17th mela Suryakantam and takes the Kaisiki ni or Komal nishada as the foreign note.

Moorchana:

Arohanam:   S R1 G3 M1 P M1 D2 N3 S
Avarohanam:   S N3 D2 N2 D2 P M1 G3 R1 S

Swarasthanas:

This raga uses the subtle srutis Tivra Antara Gandhara and Tivra Kakali Nishada in addition to the Antara Gandhara and Kakali Nishada.

Popular Compositions:

Pavamana (i.e Ni Nama) by Tyagaraja set to Saurashtram.

Ninnu Juchi by Patnam Subramanya Iyer,

Sri Ganapatini by Tyagaraja and Surya Murte by Muthuswami Dikshitar

The raga does not lend itself to elaborations and the songs are normally quite short pieces, sung quite slowly. 

The bhava or mood of the raga is both bhakti (devotion) and courage.