A basis for the organisation and classification of ragas depending on the notes used
Thaat:
Purvi
Preferred time or season for playing
Time:
Dusk
The most prominent note of a raga
Vadi
/
The second most prominent note of a raga
Samvadi:
, 
Categorization based on number of notes used in aroh and avaroh
Jati:
Containing 5 notes
Audav
-
Containing 7 notes
Sampurna
Emotions evoked by the raga
Mood:
Bhakti (Devotion), Gambhir (Serious), Shant (Serene, Peaceful)
Shree is one of the ancient ragas. It is one of the most serious
Sunrise or sunset time period
sandhiprakash
 ragas, suited for Khyals and Dhrupads. This omits and in
Ascending movement of notes
aroh
 while all seven notes are used in the
Descending movement of notes
avaroh
. It has and
A flat note
komal
,
A sharp note
tivra
 and other notes as
A natural note (corresponds to notes in Western major scale)
shuddha
. is more prominent and repeated and mostly with the grace of like . and phrases are used often. has the sustenance in the middle and upper octaves.