Process started as below > Someone referred to me.

I got email link for Hackerrank Test
After couple of days I got HR call to check the availability
I have clear the 1st round
Then after next day I got call to check the availability for 2nd round
I have clear the 2nd round
Then I got call from HR different than who was mananing my interview were asking me the expectation.
After that no call and no more interview.
I called HR to check the status of my application but she/he didn't pick up my call

That is Visa interview process for you.