Total 2 rounds :
1st round coding round: Hackerrank
2nd round- Interview - 45 to 1 hr long

First 20-25 mins: Projects and Internships mentioned in the resume.
Next 20 mins : 2 coding questions
i) Reverse a linked list
ii) medium level string question - similar to valid parenthesis
Next 5-10 mins : oops question and os question
i)static keyword
ii)final keyword
iii)semaphore in os
iv)deadlock
v)and few more questions that I don't remember.