The Indian Voter ID Card is an identity document issued by the Election Commission of India to adults domiciles of India who have reached the age of 18. It primarily serves as an identity proof for Indian citizens while casting their ballot in the country's municipal, state, and national elections. It also serves as general identity, address, and age proof for other purposes such as buying a mobile phone SIM card or applying for a passport. It also serves as a Travel Document to travel to Nepal and Bhutan by Land or Air It is also known as Electors Photo Identity Card (EPIC). It was first introduced in 1993 during the tenure of the Chief Election Commissioner T. N. Seshan.

A travel document is an identity document issued by a government or international entity pursuant to international agreements to enable individuals to clear border control measures. Travel documents usually assure other governments that the bearer may return to the issuing country, and are often issued in booklet form to allow other governments to place visas as well as entry and exit stamps into them.