To apply for an HDFC Bank Forex Card, visit a branch or log in to the bank's website. Fill out the application form with your details, travel plans, and card preferences. Submit the required documents, including your passport, visa, PAN card, address proof, and photos. Decide on the currencies and amount to load, then pay in your local currency. Choose between single-currency or multi-currency cards. Pay the issuance fee and any associated charges, checking for eligible fee waivers. If applying in person, you will receive the card immediately or within a few days. If you apply online, it will be delivered to your address. Activate the card by setting a PIN and reload it online or at a branch as needed.