WHAT ARE THE SEVEN TONGUES OF AGNI?

The following are  the seven tongues(jihvA)  of Agni:
(1) suvarNA
(2) KanakA
(3) RaktA
(4) KrshNA
(5) suprabhA
(6) atiraktA
(7) bahurUpA
suvarnA kanakA raktA krshNA caiva tu suprabhA !
atirakatA bahurUpA saptajihvAh prakIrtitAh !!
 

WHAT ARE THE EIGHT MODES OF VIKRUTI FORM OF VEDIC CHANTING?

There are eight modes of Vikruti form of Vedic chanting as follows:
(1) JatA
(2) MAlA
(3) DaNda
(4) RekhA
(5) Ratha
(6) Dhvaja
(7) SikhA
(8) Ghana

JatA mAlA daNda rekhA ratha dhvaja  SikhA ghanAh !
kramamASritya  nirvrttA vikArA ashta viSrutAh !!