If you visiting form Argentina and are curious about the group MESIAS Yoga or the theater group arte esoterico or el Instituto de Yoga y Ciencias Alternativas "Atman" welcome and I recommend you first read the following articles:
I also recommend you watch the following documentary made by Finnish tv station MOT about MISA and NATHA. Both videos are subtitled in Spanish.
El lado oscuro de un culto tántrico Yoga Atman
If you have further questions feel free to ask me personally my email address is
missshakti [at] gmail [dot] com