All questions were asked from the CV. The interviewer asked me to rate in all the technologies and based on that he asked some questions.
Java - Why do we use printf in Java?
PHP - Difference between GET and POST methods.
MySQL - Difference between Delete and Truncate.
Different types of commands DDL DCL etc
JavaScript - Write a Regular Expression to accept all characters only.
HTML - Difference between HTML5 and HTML
CSS - Tell some classes in PHP.
Data Structures - What is Heap Sort.
Bootstrap - This question was pretty bad I don't know why he asked that. Screen sizes of Bootsrap the exact sizes.
MongoDB - How join happens in MongoDB.
DBMS - Left and Right joins.