About 8 years ago it appeared as a vinyl transfer here. It is mentioned in this article which is a brief introduction to carnatic music.
Violin: Lalgudi Jayaraman
Venu: N Ramani
Veena: R Venkatraman
Transfer: Nakamichi ZX-9 cassette deck, refurbished to "better than new" state by Willi Hermann
Pre-amplification: Vintage refurbished Pioneer SX-780.
Recorder: Sony PCM-M10 at 24bit/96kHz resolution
Software: Audacity and xAct.
Monitoring: Focal Spirit One headphones
highest resolution files I am capable of producing - large file!
after decoding to WAV files, these can be burned to CDR
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Here is a concert by N Ramani: