Transfer money from your bank to the account of US based beneficiary - Apex Clearing. Transfers to Apex are completely safe and legitimate. After you initiate the transfer, it will take 2-4 working days for the money to reflect in your USD balance. Groww is working with various banks to offer completely online remittance. Currently, netbanking remittance is available with ICICI, HDFC, IDFC and Kotak banks. In case your bank does not allow online remittance as of now, you can quickly drop an A2 form in your nearest branch.