As
in the case of the Da and Ni uttarangam combinations, the Ri and Ga
provide six possible combinations. Each of these can occur with
either of the two Madhyamams to yield a total of twelve possible
purvangams. The twelve purvangam combinations are each called as
chakras. The twelve chakras and the corresponding purvangams are as
follows.
- Indu Sa, Suddha Rishabam, Suddha Gandharam,
Suddha Madhyamam
- Netra Sa, Suddha Rishabam, Sadharana
Gandharam, Suddha Ma
- Agni Sa, Suddha Rishabam, Anthara
Gandharam, Suddha Ma
- Veda Sa, Chatusruthi Rishabam, Sadharana
Gandharam, Suddha Ma
- Bana Sa, Chatusruthi Rishabam, Anthara
Gandharam, Suddha Ma
- Ruthu Sa, Shatsruthi Rishabam,
Anthara Gandharam, Suddha Ma
- Rishi Sa, Suddha Rishabam, Suddha
Gandharam, Prati Madhyamam
- Vasu Sa, Suddha Rishabam, Sadharana
Gandharam, Prati Ma
- Brahma Sa, Suddha Rishabam, Anthara
Gandharam, Prati Ma
- Disi Sa, Chatusruthi Rishabam, Sadharana
Gandharam, Prati Ma
- Rudra Sa, Chatusruthi Rishabam, Anthara
Gandharam, Prati Ma
- Aditya Sa, Shatsruthi Rishabam, Anthara
Gandharam, Prati Ma
The chakra names are associated with the
chakra numbers they represent. For example, there are four Vedas,
and Veda chakra is the fourth chakra. The following illustrations
depict the swara locations on the keyboard for the twelve chakras,
along with the numbered swaras.
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