A basis for the organisation and classification of ragas depending on the notes used
Thaat:
Bilawal
Preferred time or season for playing
Time:
Early night
The most prominent note of a raga
Vadi
/
The second most prominent note of a raga
Samvadi:
,  (or , )
Categorization based on number of notes used in aroh and avaroh
Jati:
Containing 5 notes
Audav
-
Containing 6 notes
Shadav
Do not follow strict ascending or descending order of notes
Vakra
Emotions evoked by the raga
Mood:
Bhakti (Devotion), Shringar (Romantic), Veer (Bravery)
Shankara is an
With focus on notes higher than M or P (depending on the point of view) of the middle octave
uttarang pradhan
 raga. It omits and all the other notes used are
A natural note (corresponds to notes in Western major scale)
shuddha
. Both and are weak. Usually is omitted in
Ascending movement of notes
aroh
 and in
Descending movement of notes
avaroh
 it is used as a
A note played for a short duration before the main note
grace
 note and passing note in phrases like . In
Ascending movement of notes
aroh
 is usually associated with grace of while in
Descending movement of notes
avaroh
 with the grace of . is also used in a curvy manner like . and are key phrases.