Its actually the Malayalamized, then etherealized version of East Syriac used in the SyroMalabar and Chaldean-Assyrian Liturgy.
Kandisa = Qadisha = Holy
Alaha = God
The East Syriac Trisagion:
Holy God
Holy Almighty
Holy Immortal
Have mercy
Amen/Truly 5×
Apostle Mar Joseph, at your Holy altar, I submit humbly, may you be commemorated forever.