Tip 1 : Good knowledge of OOPs concepts
Tip 2 : Clarity about .net and web APIs
Tip 3 : SQL query should be known
Tip 1 : Mention about the experience clearly
Tip 2 : Mention your key skills properly
1st round was basic C# , .net , OOPs concepts questions and some Sql query based questions
Had to write couple of sql queries using join
Write a query on to display employee data in certain manner from 2 tables
Tip 1 : knowledge of joins in sql
Explain abstraction and how it is achieved
Tip 1 : Brief about the definition
Tip 2 : write a simple code using interface
This was also technical, in deep questions about .net concepts and Transactions related questions
And questions about my previous projects
Explain open and close and single responsibility principle using a program
Tip 1 : Give a simple defination with right keywords
Tip 2 : Write a program so that both principles can be applied
Explain how transaction works in .net. If We want to make a successful payment,explain the whole process
Tip 1 : Basics of transaction
Tip 2 : ACID principle
Tip 3 : keywords used in .net while doing transaction

Here's your problem of the day
Solving this problem will increase your chance to get selected in this company
What is recursion?