Tuning and Stringing of an Esraj

The tonic Sa is between c and d - similar to most Sitars.
The Esra will be delivered with the following standard strings (diameter in mm) and tuning (with Sa = c):

PLAYING STRINGS

1. Steel 0,30 mm - low ma - f
2. Bronze 0,40 mm - low Sa - c
3. Bronze 0,55 mm - very low Pa - G
4. Steel 0,30 mm - low Pa - g

SYMPATHETIC STRINGS (Bronze Strings 0,30 mm)

1. low ma - f
2. low Pa - g
3. low Dha - a
4. low Ni - h / b
5. Sa - c'
6. Re - d'
7. Ga - e'
8. ma - f'
9. & 10. Pa - g'
11. Dha - a'
12. Ni - h' / b'
13. high Sa - c''
14. high Re - d''
15. high Ga - e''


The tuning mentioned above is just a sample. There is no any fixed rule for this instrument.