Raktika, Raudri, Krodhi and Vajrika are the names of:

Correct option is C

Correct Option: c)
The concept of Shruti is fundamental to Indian music theory. It represents the 22 microtonal intervals that form the subtle building blocks of the octave.
Information Booster:
· Raktika, Raudri, Krodhi, and Vajrika are all specific names assigned to individual Shrutis (c) among the canonical 22.
· These names are found in ancient texts like Bharata's Natyashastra and Sarangadeva's Sangita Ratnakara, which list the names of all 22 Shrutis.
Additional Knowledge:
· They are not Varnas (a), which are note patterns or styles of movement.
· They are not Jatis (b), which were ancient melodic frameworks.
· They are not related to Ragalap (d), which is the improvisational development of a raga.