Here is a link to a nice article about him to start off.
I have listened to him on Radio and Doordarshan many a time and enjoyed his style which is very different from the norm; that he was singing with a single lung obviously had an impacted on his style in terms of delivery, but the fact as the article above talks about is that he decided take a different path right from his early years!
Here are some recordings and not being knowledgeable on the hindustani idiom, I cannot be sure about some of the raag’s attributed to the tracks. I would be more than happy to correct them.
Bageshri
Behag
Bhavmath Bhairav
Bhimpalasi
Bhoopali
Desh
Gowd Sarang
Gowri Basant
Hamir
Jinjhoti
Kalyan
Lagan Gandhar
Madhmad Sarang
Malkauns
Math Suraj
Multani
Nand
Nayaki Kanada
Patmanjari
Puriya Dhanasri
Sawani
Shankara
Shree
Shuddhashyam
Sindhura
Sohini
Sri Kalyan