1) Two things are mandatory for voting: being registered on the electoral roll and carrying an approved photo identity document. 2) There are various forms involved in voter registration and obtaining voter ID cards, including Form 6/8/8A for registration, Form 001A for applying for a voter ID at the time of registration, and Form 001C for existing voters to obtain a voter ID. 3) The Election Commission of India is responsible for issuing voter ID cards, and conducts photo ID drives at designated locations according to a published schedule. Citizens can check the schedule and location details through newspaper advertisements or notices sent to those on the voter list.