It is web-based on Hireme, There are 3 brain-teaser questions, each with 5 mins to respond. Quite difficult and takes insufficient time to solve unless you've done it before. There is no HR present, only camera proctoring. But the overall experience is really fast and smooth.

First round is a basic HR screen. Second round is a coding challenge. If you pass that, it's one more technical phone screen. Last step is a final round onsite.