Gayatrii chanda
Gayatrii chanda is a chanda (rhythm[1] or metre) mentioned in the Vedas. There are few other chandas like gáyatrii, anust́upa, triśt́upa, jagatii, mahatii. This metre has 3 lines, and there are 8 syllables in each line.[2]
According to Shrii Shrii Anandamurti—
<bloccquote>Gáyatrii is that which, when sung, leads a person to the path of liberation. Gáyatrii can be used till a person gets Iśt́a mantra sádhaná. Once a person gets the Iśt́a mantra sádhaná, he or she would not need gáyattii.