Top .NET Core Interview Questions for Indian Beginners (2025)

Are you an Indian fresher or student aiming to break into the tech world in 2025? Whether you’re targeting a developer role in Bangalore or a software job in Pune, mastering .NET Core interview questions is your key to success. India’s IT industry is thriving—big names like TCS, Infosys, and growing startups are hunting for talent skilled in .NET Core, Microsoft’s open-source framework for building modern apps.

Interviews can feel tough, but they’re all about showing you know your stuff. This guide is perfect for beginners—maybe a college grad in Mumbai or a self-learner from Kolkata. We’ll walk you through the top .NET Core interview questions you’ll face, with easy answers, examples, and tips tailored for India’s job market. By the end, you’ll be ready to tackle .NET Core interview questions and land your dream job. Let’s get started!

Why Learn .NET Core for Interviews in India?

India’s tech boom is unstoppable! With over 1.5 million new tech jobs expected by 2025, .NET Core interview questions are popping up everywhere. But why is .NET Core so big in India? Let’s dig in.

.NET Core: The Modern Developer’s Tool

.NET Core is a free, open-source framework from Microsoft. It’s used to build fast, scalable apps for web, mobile, and cloud—think of apps like Paytm or Swiggy backends. Indian companies love it because it works on Windows, Linux, and macOS, saving costs and boosting flexibility.

Why It’s Hot in India

Big IT firms like Wipro and HCL use .NET Core for everything from banking software to e-commerce platforms. Plus, it’s lightweight and fast, making it perfect for startups. Knowing .NET Core interview questions can help you stand out in India’s competitive job scene.

Job Opportunities in India

• Junior .NET Developer: ₹3-6 LPA.
• Software Engineer: ₹5-10 LPA.
• Top Cities: Bangalore, Hyderabad, Chennai, Pune, Noida.

Mastering .NET Core interview questions isn’t just about a job—it’s your ticket to a booming career in India’s tech hubs!

Top 35 .NET Core Interview Questions for Beginners

Here are the top 35 .NET Core interview questions you might face in an Indian job interview. Each comes with a simple answer, explanation, and example—great for beginners prepping for .NET Core interview questions!

1. What is .NET Core?

• Answer: .NET Core is an open-source, cross-platform framework by Microsoft for building modern apps.
• Explanation: It’s a newer, lighter version of the .NET Framework, perfect for web, mobile, and cloud apps—often asked in .NET Core interview questions.
• Example: A simple console app: Console.WriteLine("Hello, India!");.

2. What’s the difference between .NET Core and .NET Framework?

• Answer: .NET Core is cross-platform and open-source; .NET Framework is Windows-only and closed-source.
• Explanation: .NET Core runs on Linux and macOS too—a key .NET Core interview question.
• Example: .NET Core app runs on a Linux server; .NET Framework won’t.

3. What is dependency injection in .NET Core?

• Answer: It’s a way to provide objects (dependencies) to a class instead of creating them inside.
• Explanation: Makes code cleaner and easier to test—expect this in .NET Core interview questions.
• Example: services.AddScoped<IMyService, MyService>();.

4. What is middleware in .NET Core?

• Answer: Middleware is software that handles requests and responses in the app pipeline.
• Explanation: It’s like a chain—each piece does a job (e.g., logging, authentication)—a common .NET Core interview question.
• Example: app.UseRouting(); sets up routing.

5. What is Kestrel?

• Answer: Kestrel is a fast, cross-platform web server for .NET Core apps.
• Explanation: It’s the default server, often paired with IIS or Nginx—key for .NET Core interview questions.
• Example: Runs your app when you hit dotnet run.

6. What’s the role of appsettings.json?

• Answer: It stores configuration settings like database connections or API keys.
• Explanation: Replaces old .config files—test your prep for .NET Core interview questions.
• Example: { "ConnectionString": "Server=myDB" }.

7. How do you create a REST API in .NET Core?

• Answer: Use controllers and HTTP methods like GET, POST in an ASP.NET Core project.
• Explanation: APIs power web and mobile apps—a big .NET Core interview question.
• Example:

  [HttpGet]
  public IActionResult Get() => Ok("Hello, India!");

(Questions 8-35 cover topics like Entity Framework Core, Razor Pages, hosting, etc. See the table below for a summary.)

.NET Core Interview Questions Table

Tip: Practice these .NET Core interview questions on Visual Studio Code to shine in interviews!

Top 35 Advanced .NET Core Interview Questions for Freshers

Now, let’s tackle 35 advanced .NET Core interview questions to deepen your prep. Each includes an answer, explanation, and code snippet—crucial for mastering .NET Core interview questions.

1. What is the CLI in .NET Core?

• Answer: The CLI (Command Line Interface) is a tool to create, build, and run .NET Core apps.
• Explanation: Commands like dotnet new kickstart projects—expect this in .NET Core interview questions.
• Example: dotnet new console -n MyApp.

2. What’s Entity Framework Core?

• Answer: It’s an ORM (Object-Relational Mapper) to work with databases using C#.
• Explanation: Simplifies database tasks—a must-know for .NET Core interview questions.
• Example:

  public class MyContext : DbContext {
      public DbSet<User> Users { get; set; }
  }

3. How do you handle exceptions in .NET Core?

• Answer: Use try-catch blocks or middleware like UseExceptionHandler.
• Explanation: Keeps apps stable—test your skills with .NET Core interview questions.
• Example:

  app.UseExceptionHandler("/error");

4. What’s the difference between AddTransient and AddScoped?

• Answer: AddTransient creates a new instance every time; AddScoped creates one per request.
• Explanation: Lifetimes matter in DI—a tricky .NET Core interview question.
• Example: services.AddTransient<IMyService, MyService>();.

5. What is Razor Pages?

• Answer: Razor Pages is a simpler way to build web UIs in .NET Core.
• Explanation: Pages handle logic and UI together—big in .NET Core interview questions.
• Example: @page "/index" <h1>Hello, India!</h1>.

6. How do you host a .NET Core app?

• Answer: Use Kestrel, IIS, or cloud platforms like Azure.
• Explanation: Hosting varies by need—key for .NET Core interview questions.
• Example: Deploy with dotnet publish.

(Questions 7-35 cover caching, async programming, microservices, etc. See the table below.)

Advanced .NET Core Interview Questions Table

Tip: Code these .NET Core interview questions on GitHub to impress recruiters!

How to Prepare for .NET Core Interviews in India

Ready to ace those .NET Core interview questions? Here’s a 30-day plan for Indian beginners.

Day 1-10: Build Your Basics

• Resources:
• Microsoft Learn .NET Core—perfect for .NET Core interview questions.
• Book: “.NET Core in Action” by Dustin Metzgar.
• Task: Learn CLI commands, setup, and basic apps.

Day 11-20: Practice Coding

• Task:
• Build a REST API with .NET Core to prep for .NET Core interview questions.
• Example:
  csharp [HttpGet] public IActionResult Get() => Ok("API works!");
• Platform: Use HackerRank for practice.

Day 21-30: Mock Interviews & Polish

• Task:
• Explain DI or middleware to a friend—nail .NET Core interview questions.
• Join PrepInsta for Indian mock tests.

Daily Routine

• 1 hour: 30 minutes theory, 30 minutes coding .NET Core interview questions.
• Focus on weak areas (e.g., EF Core or hosting).

Bonus: Sample Interview Scenarios and Answers

Here’s what you might face with .NET Core interview questions in an Indian company:

• Scenario 1: “How do you secure a .NET Core API?”
• Answer: Use JWT tokens or authentication middleware—common in .NET Core interview questions.
  csharp services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme).AddJwtBearer();
• Scenario 2: “Fetch data with EF Core.”
• Answer: Use LINQ queries—a classic .NET Core interview question.
  csharp var users = context.Users.Where(u => u.Age > 18).ToList();

Conclusion

Mastering .NET Core interview questions is your path to a tech career in India. From building APIs to handling databases, .NET Core skills are in demand at TCS, Infosys, and startups alike. Practice daily, use these resources, and you’ll be ready to ace .NET Core interview questions in 2025. Your dream job is closer than you think—start now!

Need more? Check out C# Interview Questions or ASP.NET Basics!