Technical Round 1 -
1. 2sum
2. 3sum
3. Unique Paths
4. Largest diameter of tree

Interviewer was quite impressed as I was able to code all in one hour.

Technical Round 2 -
1. Max number of Platforms (Greedy approach)
2. Postfix evaluation
3. BST to Greater Sum Tree

Interviewer was quite impressed in this round too.

Hiring Manager-
Current work related questions, queries on DB, some OOPS questions.

This round went really bad as I didn't revise what was on my resume and OOPS and some therotical part of languages.