diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 64db9d16a..ff8a95f68 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,4 +1,4 @@
-name: 'Run App <last name>, <first name>'
+name: 'Run App Kundoor, Subbu'
 
 on: [push, pull_request]
 
@@ -6,4 +6,12 @@ jobs:
   build-and-test:
     runs-on: ubuntu-latest
     steps:
-      - run: echo "Hello, World!"
+      - uses: actions/checkout@v2
+      - name: install dotnet
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: '8.x'
+      - name: build
+        run: dotnet build
+      - name: run unit tests
+        run: dotnet test
\ No newline at end of file
diff --git a/Console/Program.cs b/Console/Program.cs
index 56bb86061..90c3e61b7 100644
--- a/Console/Program.cs
+++ b/Console/Program.cs
@@ -86,6 +86,6 @@ public static double Divide(string x, string y)
 	// Implement this method following a similar pattern as above
 	public static double Power(string x, string y)
 	{
-		return 0.0;
+    	return Math.Pow(double.Parse(x), double.Parse(y));
 	}
 }
diff --git a/README.md b/README.md
index 7400b87d5..557d9b6b4 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-[![Run App](https://github.com/kgerot/GithubActions/actions/workflows/run-app.yaml/badge.svg)](https://github.com/kgerot/GithubActions/actions/workflows/run-app.yaml)
+[![Run App Kundoor, Subbu](https://github.com/skundoor2/GithubActions/actions/workflows/ci.yml/badge.svg)](https://github.com/skundoor2/GithubActions/actions/workflows/ci.yml)
 
 # Do not submit a pull request to `kgerot/GithubActions` or `dteske/TraviCI`. Not following this instruction can ruin the lab for others, so pay attention.
 
diff --git a/Tests/UnitTests.cs b/Tests/UnitTests.cs
index a2d3bd18e..9aab5ade2 100644
--- a/Tests/UnitTests.cs
+++ b/Tests/UnitTests.cs
@@ -4,7 +4,7 @@ namespace GithubActionsLab;
 public class Addition
 {
 	[TestMethod]
-	public void Add_Valid_Patino()
+	public void Add_Valid_Kundoor()
 	{
 		Assert.AreEqual(3, Program.Add("1", "2"));
 		Assert.AreEqual(5, Program.Add("3", "2"));
@@ -12,7 +12,7 @@ public void Add_Valid_Patino()
 	}
 
 	[TestMethod]
-	public void Add_Invalid_Patino()
+	public void Add_Invalid_Kundoor()
 	{
 		Assert.ThrowsException<FormatException>(() => Program.Add("1", "a"));
 		Assert.ThrowsException<FormatException>(() => Program.Add("a", "1"));
@@ -20,10 +20,122 @@ public void Add_Invalid_Patino()
 	}
 
 	[TestMethod]
-	public void Add_Null_Patino()
+	public void Add_Null_Kundoor()
 	{
 		Assert.ThrowsException<ArgumentNullException>(() => Program.Add("1", null));
 		Assert.ThrowsException<ArgumentNullException>(() => Program.Add(null, "1"));
 		Assert.ThrowsException<ArgumentNullException>(() => Program.Add(null, null));
 	}
 }
+
+[TestClass]
+public class Subtraction
+{
+	[TestMethod]
+	public void Subtract_Valid_Kundoor()
+	{
+		Assert.AreEqual(-1, Program.Subtract("1", "2"));
+		Assert.AreEqual(1, Program.Subtract("3", "2"));
+		Assert.AreEqual(-2, Program.Subtract("5", "7"));
+	}
+
+	[TestMethod]
+	public void Subtract_Invalid_Kundoor()
+	{
+		Assert.ThrowsException<FormatException>(() => Program.Subtract("1", "a"));
+		Assert.ThrowsException<FormatException>(() => Program.Subtract("a", "1"));
+		Assert.ThrowsException<FormatException>(() => Program.Subtract("a", "a"));
+	}
+
+	[TestMethod]
+	public void Subtract_Null_Kundoor()
+	{
+		Assert.ThrowsException<ArgumentNullException>(() => Program.Subtract("1", null));
+		Assert.ThrowsException<ArgumentNullException>(() => Program.Subtract(null, "1"));
+		Assert.ThrowsException<ArgumentNullException>(() => Program.Subtract(null, null));
+	}
+}
+
+[TestClass]
+public class Multiplication
+{
+	[TestMethod]
+	public void Multiply_Valid_Kundoor()
+	{
+		Assert.AreEqual(2, Program.Multiply("1", "2"));
+		Assert.AreEqual(6, Program.Multiply("3", "2"));
+		Assert.AreEqual(35, Program.Multiply("5", "7"));
+	}
+
+	[TestMethod]
+	public void Multiply_Invalid_Kundoor()
+	{
+		Assert.ThrowsException<FormatException>(() => Program.Multiply("1", "a"));
+		Assert.ThrowsException<FormatException>(() => Program.Multiply("a", "1"));
+		Assert.ThrowsException<FormatException>(() => Program.Multiply("a", "a"));
+	}
+
+	[TestMethod]
+	public void Multiply_Null_Kundoor()
+	{
+		Assert.ThrowsException<ArgumentNullException>(() => Program.Multiply("1", null));
+		Assert.ThrowsException<ArgumentNullException>(() => Program.Multiply(null, "1"));
+		Assert.ThrowsException<ArgumentNullException>(() => Program.Multiply(null, null));
+	}
+}
+
+[TestClass]
+public class Division
+{
+	[TestMethod]
+	public void Divide_Valid_Kundoor()
+	{
+		Assert.AreEqual(0.5, Program.Divide("1", "2"));
+		Assert.AreEqual(1.5, Program.Divide("3", "2"));
+		Assert.AreEqual(5, Program.Divide("10", "2"));
+	}
+
+	[TestMethod]
+	public void Divide_Invalid_Kundoor()
+	{
+		Assert.ThrowsException<FormatException>(() => Program.Divide("1", "a"));
+		Assert.ThrowsException<FormatException>(() => Program.Divide("a", "1"));
+		Assert.ThrowsException<FormatException>(() => Program.Divide("a", "a"));
+	}
+
+	[TestMethod]
+	public void Divide_Null_Kundoor()
+	{
+		Assert.ThrowsException<ArgumentNullException>(() => Program.Divide("1", null));
+		Assert.ThrowsException<ArgumentNullException>(() => Program.Divide(null, "1"));
+		Assert.ThrowsException<ArgumentNullException>(() => Program.Divide(null, null));
+	}
+}
+
+[TestClass]
+public class PowerTests
+{
+	[TestMethod]
+	public void Power_Valid_Kundoor()
+	{
+		Assert.AreEqual(1, Program.Power("1", "2"));
+		Assert.AreEqual(8, Program.Power("2", "3"));
+		Assert.AreEqual(25, Program.Power("5", "2"));
+	}
+
+	[TestMethod]
+	public void Power_Invalid_Kundoor()
+	{
+		Assert.ThrowsException<FormatException>(() => Program.Power("1", "a"));
+		Assert.ThrowsException<FormatException>(() => Program.Power("a", "1"));
+		Assert.ThrowsException<FormatException>(() => Program.Power("a", "a"));
+	}
+
+	[TestMethod]
+	public void Power_Null_Kundoor()
+	{
+		Assert.ThrowsException<ArgumentNullException>(() => Program.Power("1", null));
+		Assert.ThrowsException<ArgumentNullException>(() => Program.Power(null, "1"));
+		Assert.ThrowsException<ArgumentNullException>(() => Program.Power(null, null));
+	}
+}
\ No newline at end of file