Board Thread:Naruto Discussions/@comment-24120130-20140607191120/@comment-3568954-20140702030446

JOA20 wrote: Pretty much, Kaguya had the Tomoe Rinnegan and the Byakugan, Hagoromo only the Rinnegan, Hamura only the Byakugan. Indra inherited only the tomoe that weren't manifested in his father's Rinnegan and thus had only the Sharingan which could be at best evolved to Mangekyo Sharingan.

because by hagoromo's own words she had byakugan and sharingan not Rinnegan and if he indeed created(via training his eye) it which is the most likely. then he definitely would know if she had it or not