I applied through university. The process took 1 week. I interviewed at TEKsystems (New Delhi) in Aug 2019
Interview
The overall process is a bit lengthy but not that difficult to crack. First, there will an online test containing aptitude, English, and coding. The time given is very less so be more accurate and quick. Next is the group discussion round. Following this are the two technical rounds 1 and 2. Technical round 1 will be based on the basic concept of the skills you mentioned. The second one is based on your coding capabilities and domain subjects like DBMS, SQL.
Interview questions [1]
Question 1
Q: Swap two numbers without using a third variable
Q: Amstrong Number
Q: Questions on Stack, Queue, and LinkedList
Q: Merge Sort and Bubble Sort
Q: Candidate Key, Primary Key, Super key
Q: Function Normalities in DBMS