Notes

There are 7 notes in carnatic music - they are s, r, g, m, p, d and n. These are also called sapthaswaras (saptha means seven , swaras mean notes). Every song has a shruthi (pitch) in which it is rendered. This shruthi is comprised of 3 notes - either s,p,s (for panchamam-based shruthi) or s,m,s for madhyamam-based shruthi. Interesting enough, amongst these 7 notes, the s and p do not have any variation. The other notes have either 2 or 3 variations. Given below are all possible variations for all the carnatic notes.
 s  - Shadjamam
 r1 - Sudhdha Rishabam
 r2 - Chatusruthi Rishabam
 r3 - Shatsruthi Rishabam
 g1 - Sudhdha Gaandhaaram
 g2 - Saadhaarana Gaandhaaram
 g3 - Anthara Gaandhaaram
 m1 - Sundhdha Madhyamam
 m2 - Prathi Madhyamam
 p  - Panchamam
 d1 - Sudhdha Dhaivatham
 d2 - Chatusruthi Dhaivatham
 d3 - Shatsruthi Dhaivatham
 n1 - Sudhdha Nishaadham
 n2 - Kaisiki Nishaadham
 n3 - Kaakali Nishaadham