Hi Ankit,
Here are some universities you can consider:
1.) Cornell University, US- MPS or Ph.D. in Information Science
2.) Stanford University, US- MS in Design Impact or MS in Computer Science – HCI specialization.
3.) Carnegie Mellon University, Pittsburgh, Pennsylvania- Master of Human-Computer Interaction.
4.) The University of Maryland, College Park, US- MS in Human-Computer Interaction (MS-HCI)
5.) Elon University, US-MA in Interactive Media