Indian Sikhs number approximately 21 million people and account for 1.7% of India's population as of 2011, forming the country's fourth-largest religious group. The majority of the nation's Sikhs live in the northern state of Punjab, which is the only Sikh-majority administrative division in the world.

Religion in India is characterised by a diversity of religious beliefs and practices. Throughout India's history, religion has been an important part of the country's culture and the Indian subcontinent is the birthplace of four of the world's major religions, namely, Buddhism, Hinduism, Jainism, and Sikhism, which are collectively known as native Indian religions or Dharmic religions and represent approx. 83% of the total population of India.