You can't always tell a South Asian Muslim from a Hindu as culturally they are very similiar. Muslims come in every race, shape and form. The vast majority of Hindus are of the Indian subcontinent
Almost all Hindus wear tilak/bindi/kumkum - A decoration, often a red dot, traditionally worn on the forehead.
You cannot
you can look for body sacred marks or tattoos, if the girls has any she is likely to be hindu. Most easy method of identification would be to identify by name.
Generally Hindu woman wear Bindi on their forehead. So we can identify them. Muslim woman wear mask.
I believe that is probably the Hindu relgion. There are literally millions of gods in the Hindu faith, so many that no Hindu could possibly be able to identify all of the gods. As I understand it, each family even has their own patron god. further Hinduism is known as a polytheistic reigion, because it has many gods.
The Upanishads are a collection of more than 200 philosophical texts of the Hindu religion. In the same way that the Torah, Bible and Qur'an shape the Abrahamic faith's sects, the whole of the Upanishads shape the Hindu religion through canonical statements. It would be difficult to identify the beliefs from them without quoting them in their entirety.
non hindu
There is Hindu Nan, Hindu Cheese Dessert, Hindu Fried Rice, and Hindu Relish.
there both hindu
How have Hindu nationalists tried to claim it as a Hindu design?
Anybody can become a Hindu. If one has faith in Hinduism then he is called a Hindu.
Not a Hindu
a hindu