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.

Sikh organizations, including the Chief Khalsa Dewan and Shiromani Akali Dal led by Master Tara Singh, strongly opposed the partition of India, viewing the possibility of the creation of Pakistan as inviting persecution.

[14][15] The Flemish artist Frans Baltazard Solvyns arrived in Calcutta in 1791 and observed many Sikhs, whom one could differentiate from the rest of the land's inhabitants by their garbs and traditions.

Kahn Singh Nabha has stated that in memory of Nanak's visit, Gurdwara Sahib Sylhet was established.

[citation needed] This Gurdwara was visited twice by Tegh Bahadur and many hukamnamas were issued to this temple by Guru Gobind Singh.

Nearly all the Sikhs of Sylhet in the early 18th century were found in North Cachar where they used to work for the Assam Bengal Railway.

The community traces its origins to the times of Maharaja Ranjit Singh who took his army to Assam and put some influence of the religion towards the locals.

[23] Dakhni Sikhs are from the Deccan Plateau in India located within the states of Telangana and Andhra Pradesh.

They trace their religious heritage to the influence of Sikh soldiers who settled in Kashmir under the Maharaja Ranjit Singh rule in 1819.

Most of the Sindhi Hindus are Nanak Panthis who believe in 10 Sikh Gurus and regularly go to guru dwara and most of the Marriage also takes place in Gurudwara.

[28] There are Sikh communities in Karnataka, Andhra Pradesh and Maharashtra who converted to Sikhism centuries ago.

The process of blending the religion into southern India for the Sikligars began at the time of 10th Sikh Guru Gobind Singh, who came to the Deccan and died in 1708 at Nanded (Maharashtra).

Banjaras are a nomadic tribe who traditionally travelled with merchandise and are found across a large swathe of northern India, as well as in the south.

Sikhs are also conspicuous in the Indian army, primarily because of their history as defenders of righteousness, they formed the sword arm of the British empire.