Hindus and Sikhism in Punjab
In the days of Mughal oppression, which intensified in the 18th century as the Sikhs openly defied Mughal leadership both local and upward, many Hindu families would offer their firstborn sons to join the Khalsa Army to aid in this cause. There are examples of Hindu and Sikh shrines being located in close proximity, and Hindus seem to hold the Sikh Golden Temple site in high regard.
Read more about this topic: Hinduism And Sikhism