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
Sikh scriptures They have been referred to as the "Key to the Sri Guru Granth Sahib" by Guru Arjan Dev, the fifth Sikh guru. He was the first scribe of Guru Granth Sahib and a scholar of great repute. From his work, it is clear that he had mastery of various Indian languages and had studied many ancient Indian religious scriptures. Panjab Digital Library in collaboration with the Nanakshahi Trust took up digitization of Sikh scriptures in 2003. Thousands of manuscripts have been digitized and are available online at Panjab Digital Library. Sikh scriptures The principal Sikh scripture is the "Adi Granth"