Strictly from a legal angle, there is no law in India, that a person should have a surname or second name. But sometimes you might face a problem and inconvenience while filling MACHINE READABLE FORMS and also for applying for VISA especially in USA. Surnames usually specify the unique identification of the individual. For better convenience it is better, even if you don’t have a Surname, then too add a Surname (Last Name or a Family Name). The Surname can also be your Dad’s Name, but most have a Common Family Name.
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