With the commentary of Sri Upanisad-Brahmayogin
The Twenty upanisad-s are: 1. Advayatarakopanisad, 2. Amrtanadopanisad, 3. Amrtabindupanisad, 4. Ksurikopanisad, 5. Tejobindupanisad, 6. Trisikhibrahmanopanisad, 7. Darsanopanisad, 8. Dhyanabindupanisad,9. Nadabindupanisad, 10. Pasupatabrahmopanisad, 11. Brahmavidyopanisad, 12. Mandalabrahmanopanisad, 13. Mahavakyopanisad, 14. Yogakundalyupanisad, 15. Yogacudamanyupanisad, 16. Yogatattvopanisad , 17.Yogasikhopanisad, 18. Varahopanisad, 19.Sandilyopanisad, 20.Hamsopanisad