I was asked about: -
a. About my assignment, Bootstrap, web technologies
b. Database Concepts, SQL Queries etc.
c. javascript/jquery related questions.
d. Data Structures, Linked List,Binary Search Tree,Sorting/searching related questions, Time/Space Complexity
e. College Projects on web development/database
f. I did few embedded systems projects on rfid, robotics etc. I was asked about them in detail.