We know that if a person is born with dvihetuka patisnadhi, he/she cannot attain a magga phala (Sotapanna or above) in this current human bhava.
However, I would like to ask: Can a person with dvihetuka patisnadhi attain Sotapanna Magga Anugami stage? Can he/she learn and grasp Dhamma to the level needed to become Sotapanna anugami, though born with dvihetuka patisnadhi.
From another forum topic, Akvan had commented:
“I have heard or read (though I cannot recall where) that a sotapanna anugamu will definitely attain sotapanna pala before his death in that very same life time. If someone has a tripitaka reference for this would be great if you can share it.”
From SN 25.1: “. .abhabbo ca tāva kālaṃ kātuṃ yāva na sotāpattiphalaṃ sacchikaroti.”
The key word is “tāva kālaṃ kātuṃ” or “time expiration”. Many people translate it as “time expiration for the current physical body”, but it could mean “time expiration for the human bhava”. In either case, it is a negligible time in the samsaric time scale.
– One will not be reborn in the apayas.