Gurdwara eat free vegetarian food brought in by Sikhs worshiping at the "gurdwara". They may also have a library, nursery, classroom, meeting rooms, a gift shop, and finally a repair shop. A "gurdwara" can be identified from a distance by tall flagpoles bearing the "Nishan Sahib", the Sikh flag. The most well-known "gurdwara" is the Harmandir Sahib (popularly known as The Golden Temple) in Amritsar, Punjab, India, which is the center of power (Akal Takht) of Sikhism. The first "gurdwara" was built in Kartarpur, on the banks of Ravi River in the Punjab region by the first Sikh guru, Guru Nanak
Jhabal Kalan a Sikh. The whole family became a Sikh at that time. Guru Arjan Dev Ji (1563–1606) was the fifth Sikh Guru prophet. In 1588, both brothers went to Amritsar, then known as Guru Ka Chak, Holy Sikh City and also helped in the construction of the Harmandir Sahib. They preached Sikhism in their territories and soon Jhabal Kalan became a Sikh preaching center during the time of the Fifth Sikh prophet in the 1580s. Their descendants were Mai Bhag Kaur, the granddaughter of Chaudhary Pero Shah daughter of Bhai Mallo Shah and was a famous Sikh warrior during the time