This booklet is gives a chronological evolution of Sikh religion and Nirankari Movement. It brings out the similarities between Sikh religion and the Nirankari Mission. Both believe in the monotheistic concept of god, both oppose practice of Hindu Brahminical rituals and ceremonies and both subscribe to major postulates of Sikh doctrines. The whole account is simple, chronological without any critical evaluation of both religious. The main stress is on similarities rather than on differences. Both are complementary to each other. The booklet is a sort of reader's guide to Sikhism and Nirankari Mission.