diff --git a/.github/.vs/.github/v15/.suo b/.github/.vs/.github/v15/.suo
new file mode 100644
index 00000000..da9089a5
Binary files /dev/null and b/.github/.vs/.github/v15/.suo differ
diff --git a/.github/.vs/VSWorkspaceState.json b/.github/.vs/VSWorkspaceState.json
new file mode 100644
index 00000000..6b611411
--- /dev/null
+++ b/.github/.vs/VSWorkspaceState.json
@@ -0,0 +1,6 @@
+{
+  "ExpandedNodes": [
+    ""
+  ],
+  "PreviewInSolutionExplorer": false
+}
\ No newline at end of file
diff --git a/.github/.vs/slnx.sqlite b/.github/.vs/slnx.sqlite
new file mode 100644
index 00000000..31217576
Binary files /dev/null and b/.github/.vs/slnx.sqlite differ
diff --git a/Utilities b/Utilities
new file mode 160000
index 00000000..d1dc3188
--- /dev/null
+++ b/Utilities
@@ -0,0 +1 @@
+Subproject commit d1dc318829bced35beb8a5b149eb3d9103251b56
diff --git a/lib/c/NaishaFatima21negativeorpositive.c b/lib/c/NaishaFatima21negativeorpositive.c
new file mode 100644
index 00000000..3f795c27
--- /dev/null
+++ b/lib/c/NaishaFatima21negativeorpositive.c
@@ -0,0 +1,12 @@
+#include <stdio.h>
+
+int main() {
+   int number = -2;
+   
+   if (number >= 0)
+      printf("%d is positive\n", number);
+   else
+      printf("%d is negative\n", number);
+   
+   return 0;
+}
\ No newline at end of file
diff --git a/lib/java/NaishaFatima21.addtwonumbers.java b/lib/java/NaishaFatima21.addtwonumbers.java
new file mode 100644
index 00000000..62cadf88
--- /dev/null
+++ b/lib/java/NaishaFatima21.addtwonumbers.java
@@ -0,0 +1,13 @@
+public class NumberAddition{
+    public static void main(String[] args){
+       int value_1, value_2, my_sum;
+       value_1 = 10;
+       value_2 = 15;
+       System.out.printf("The two numbers are %d and %d",value_1, value_2 );
+       System.out.printf("");
+       my_sum = value_1 + value_2;
+       System.out.println("The numbers have been added using '+' operator");
+       System.out.println("Sum of the two numbers is : ");
+       System.out.println(my_sum);
+    }
+ }
\ No newline at end of file
diff --git a/lib/java/NaishaFatima21.timer.java b/lib/java/NaishaFatima21.timer.java
new file mode 100644
index 00000000..e69de29b
diff --git a/lib/python/NaishaFatima21.tipcalculator.py b/lib/python/NaishaFatima21.tipcalculator.py
new file mode 100644
index 00000000..e69de29b
diff --git a/lib/python/NaishaFatima21.tipcalculator1.py b/lib/python/NaishaFatima21.tipcalculator1.py
new file mode 100644
index 00000000..81085c1a
--- /dev/null
+++ b/lib/python/NaishaFatima21.tipcalculator1.py
@@ -0,0 +1,17 @@
+print("Welcome to the tip calculator!")
+bill = float(input("What was the total bill? $"))
+
+tip = int(input("How much tip would you like to give? 10, 12, or 15? "))
+
+num_of_split = int(input("How many people to split the bill? "))
+
+calculate_bill = bill * (1 + (tip/100)) / num_of_split
+
+final_amount = "{:.2f}".format(calculate_bill, 2)
+
+if tip == 10:
+        print(f"Each person should pay: ${final_amount}")
+elif tip == 12:
+        print(f"Each person should pay: ${final_amount}")
+else:
+        print(f"Each person should pay: ${final_amount}")
\ No newline at end of file
diff --git a/yourCard/data.json b/yourCard/data.json
index f3a5cbbe..087850f3 100644
--- a/yourCard/data.json
+++ b/yourCard/data.json
@@ -168,5 +168,16 @@
         "nameOnHover": "Abdullah"
       }
      ]
+  },
+  {
+    "username": "Naisha Fatima",
+    "avatar": "https://www.google.co.in/url?sa=i&url=https%3A%2F%2Funsplash.com%2Fimages%2Fnature%2Fmountain&psig=AOvVaw010i7xMNZZGdmkZic0mzfo&ust=1666951197024000&source=images&cd=vfe&ved=0CAoQjRxqFwoTCIjQuKKTgPsCFQAAAAAdAAAAABADgit",
+    "socialMedia": [
+      {
+        "link": "https://github.com/NaishaFatima21",
+        "nameOnHover": "Naisha Fatima"
+      }
+    ]
   }
 ]
+  
\ No newline at end of file