Seva Nishan Sahib" refers to the service or dedication to the Nishan Sahib (the Sikh flag),

Seva Nishan Sahib" refers to the service or dedication to the Nishan Sahib (the Sikh flag), which is a triangular flag representing the Sikh faith and is hoisted in Gurdwaras (Sikh places of worship).

Nishan Sahib:
This flag, also known as the Sikh flag, is a sacred symbol representing the Sikh community worldwide.

Seva:
In Sikhism, "seva" means selfless service or dedication to a cause, often performed without expectation of rewar

Seva Nishan Sahib:
This term thus refers to the act of performing seva related to the Nishan Sahib, such as maintaining, cleaning, or hoisting it, or any other service that contributes to its upkeep and respect.

Significance:
The Nishan Sahib serves as a visual reminder of the Sikh faith and the presence of the Guru Granth Sahib (the holy book) within the Gurdwara.

Colors:
The Nishan Sahib can be either xanthic (basanti) or navy blue (surmai) in color, as per the Sikh Rehet Maryada (Code of Conduct).

Historical Origin:
The Nishan Sahib is said to have been raised by Guru Har Gobind, the sixth Sikh Guru, in 1606, as the first Sikh flag.