We Might 1st counsel you to refer to elders in All your family members to collect extra information about your Gotra. If at all, not one person in your family remembers the Gotra information, you can Stick to the steering from the Shastras. आश्वीजस्य सितेपक्षे महाष्टम्यां दिवानिशं । यस् त्विदं https://www.youtube.com/@Mahavidyabaglamukhi