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The sworn affidavit that goes with it — on stamp paper and notarised, for the spouse whose name changed on marriage. Where the change also has to be published, it supports the Gazette Name Change Application in this library.
A spouse — most often, but not only, a wife adopting her husband's surname — who has changed their name because of marriage and needs a sworn affidavit linking the old name to the new one, with the marriage that caused the change, to update Aadhaar, PAN, a passport, bank accounts and KYC records, a driving licence, an employer's service records, or educational certificates. Unlike a bare name-change affidavit, this one recites the marriage itself — the spouse, the date, the place and whether it is registered — because that is exactly what UIDAI, a passport counter or a bank asks a post-marriage name change to show.
Not for a name changed for any other reason — religious conversion, a spelling correction, or personal preference unconnected to marriage: use the Name Change Affidavit (Adult) in this library instead, which carries no marriage particulars. Not for a minor child's name, which a natural guardian affirms in different words using the Minor Name Change Affidavit.
Punjab and Chandigarh: sworn before a Notary Public or an Oath Commissioner, then produced directly at the counter that needs the update, or annexed to whatever application that counter requires alongside it.