As you asking for the FCNR Deposit Rates of the Union bank of India let me tell you that Your deposit with Union Bank can be for the following tenures:
1. One year and more but less than two years
2. Two years and more but less than three years
3. Three years
Period Rate of Interest
One year or more but less than two years 2.20%
Two years or more but less than three years 2.30%
Three years or more but less than Four years 2.90%
Four years or more but less than Five years 3.38%
Five Years only 3.74%

procedure for Sending Money to the FCNR Account :

Choose 'FCNR deposit' as the Product type option from the dropdown.
Choose online transfer as the pay mode.
Add the beneficiary as your FCNR bank account details.
Enter the amount with which you want to open the FCNR account. FCNR account can be opened with minimum deposit of $1000.
Select the period for the FCNR deposit.
Select the US bank account from which you want to transfer money to your FCNR account.
They inform you when the money has been deposited into your FCNR account.

For any queries you may contact on the Helpline number of the Union bank of india the number is as follow :
800 22 22 44
1800 208 2244