I am sending you a "Jai Shree Ram" written pendant, you have to gift it to your that Christian friend and ask her to wear it with decency and upload a photo.
I could recall how the school in which my friend studied made it mandatory for girls to wear skirts above knees, it must be very uncomfortable to walk, study and play in such a weird dress code. Especially in schools operated by Christian missionaries even now this is the dress
This is the research paper on that 'churan', just because you have not seen anything doesnt mean it has no existence. Next time padh ke aana debate karne, Protein powder se dimaag nahi badhta, padhne se badhta hai.
Since my childhood I have seen how exams were scheduled on Raksha Bandhan, Diwali and Holi and winter vacations were announced on Christmas. Religious chauvinism had always been an integral part of the education system also.
When you ask about evidences on ayurved just because you wish to sell "Protein powder". We are losing faith in our Ayurved and the world is gaining faith..