A raga is a musical framework used for improvisation. Ragas are intended to evoke particular emotions.
Hmm, not a good day to be looking for stuff on Wikipedia, their fundraising drive has started early.
Maybe read about raga pilu here. A pilu is a light raga commonly used for folk songs and love songs, especially in northern India. It is meant to express “joy, devotion, happiness, and love”.
…or maybe just straight to the music: