I have composed a Mohra & Korvai for my recent concert in “Khanda Jaasthi Triputa thala I Tishram Gathi”, which is 27 aksharas ie 9 aksharas including laghu & dhrutham, & in Tishram gathi, we need to multiply the whole thala Aksharam into 3 which will become 27. [9×3=27]