The booklet develops the thesis that India lacked the concept of National Unity despite being a single geographical entity. The first attempt to materialise the concept of National unity was made by the medieval Indian Saints like Kabir, Ravidas, Ramanuj, Madhav, Ballabh, Trilochan and Chaitnaya Mahaprabhu which succeeded to some extent. National unity suffered a severe setback during the Mughal and British period. But the greatest credit for bringing about national unity goes to the ten Sikh Gurus and their preachings and acts. Guru Nanak established Sangats (Congregations) throughout India during his travels (Udassis). These "Sangats" included members of every Indian Community. Guru Amardas established dioceses (Manjis) in twenty two states of India which included people from every caste. His institution of (Langar) community kitchen was a practical institution of national unity. The sacrifices of Guru Arjun Dev and Guru Tegh Bahadur were for the defence of human rights of all the Indians. Guru Gobind Singh's creation of the Khalsa was the climax of National unity when five people from different castes and different regions of India became the five beloveds (Panj Piaras). Khalsa's fight was always against the foreign rulers and invaders and in defence of India's freedom.