One would require a Citibank savings account to invest in their FDs. To open a fixed deposit account in Citibank, one needs to submit the following documents: 1. Identity proof (PAN Card, Passport, Aadhar Card, Voter ID, Driving License) 2. Address proof (Aadhar Card, Passport, Utility bills) 3. Age proof (Birth Certificate, Service Discharge Certificate, PAN Card)