There are two banks in India that have these names. HDFC Bank is a private bank whereas Indian Bank is a government bank. So, if you are asking if they are one and the same, the answer is No.
But, if your question is referring to where HDFC bank originates, then yes, HDFC Bank is an Indian Bank that operates both in India and across the globe.
Just one common code for all bank branches in India: HDFCINBB
The CVVC appears on the back of a credit card or debit card in the space that you're supposed to sign. On an ATM card that is not also a debit card, there probably won't be one.
Step 1 Customer ko chutiya banao
Step 2 Customer ko luto
Step 3 Customer ki Gand Maro