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Karseva is known for its free service to humanity. Seva, short for the word Karseva refers to "selfless service", work or service performed without any thought of reward or personal benefit. Kar Seva is one of the main teachings of Sikhism which means selfless service of others. The main organizer of Kar Seva for Sikh Gurudwaras, "Kar Seva" organization of Harbans Singh and others based in the Ban