What are the oldest known scriptural evidences of Sri Hayagriva? Does He already present inside the Vedas with some sort of Horse hymn ?
1Hayagrivopanishad, begins with the Shanti Mantra(Bhadram Karnebhih ) of atharva veda , thus associated with atharva veda , is one of the 108 Upanishads.– AthreyDec 17, 2022 at 13:31
1I believe the oldest story of how Lord Vishnu became Hayagriva comes from the Shatpatha Brahmana associated with the Shukla Yajurveda– Dr. Vineet AggarwalJan 3 at 12:45
Thank You! Taking note of all possible sources– Lucky PashuJan 23 at 15:46