diff --git a/Raghav/bub.c b/Raghav/bub.c
new file mode 100644
index 0000000..28fe0df
--- /dev/null
+++ b/Raghav/bub.c
@@ -0,0 +1,26 @@
+#include <stdio.h>
+void main() 
+{
+    printf("Enter the value of n");
+    int n;
+    scanf("%d",&n);
+    int a[n];
+    for (int i=0;i<n-1;i++) 
+    {
+        for (int j=0;j<n-i-1;j++) 
+        {
+            if (a[j]>a[j+1])
+            {
+                int temp = a[j];
+                a[j] = a[j+1];
+                a[j+1] = temp;
+            }
+        }
+    }
+    printf("Sorted aay: \n");
+    for (int i=0;i<n;i++) 
+    {
+        printf("%d ",a[i]);
+    }
+    printf("\n");
+}
diff --git a/Raghav/dert.c b/Raghav/dert.c
new file mode 100644
index 0000000..e820f33
--- /dev/null
+++ b/Raghav/dert.c
@@ -0,0 +1,34 @@
+#include<stdio.h>
+void main()
+{
+    int a[3][3],b[2][2],d[3],f,y=0,z;
+    printf("Enter elements\n");
+    for (int i=0;i<3;i++)
+    {
+        for (int j=0;j<3;j++)
+        {
+        scanf("%d",&  a[i][j]);
+        }
+    }
+    for(int k=0;k<3;k++)
+    {
+        y=0;
+        for(int i=0;i<3;i++)
+        {
+            z=0;
+            for(int j=0;j<3;j++)
+            {
+                if (j!=k||i!=0)
+                {
+                    b[y][z]=a[i][j];
+                    z++;
+                }
+            }
+            if (i!=0)
+                y++;
+        }
+        d[k]=a[0][k]*((b[0][0]*b[1][1])-(b[1][0]*b[0][1]));
+    }
+    f=d[0]-d[1]+d[2];
+    printf("Determinant %d\n",f);
+}
diff --git a/Raghav/fact.c b/Raghav/fact.c
new file mode 100644
index 0000000..0ce7df9
--- /dev/null
+++ b/Raghav/fact.c
@@ -0,0 +1,15 @@
+#include<stdio.h>
+int FACT(int n)
+{
+    if(n==0)
+    return 1;
+    else
+    return n*FACT(n-1);
+}
+void main()
+{
+    int n;
+    printf("Enter the value of n\n");
+    scanf("%d", &n);
+    printf("The Factorial is %d",FACT(n));
+}
diff --git a/Raghav/ini.c b/Raghav/ini.c
new file mode 100644
index 0000000..60eabb2
--- /dev/null
+++ b/Raghav/ini.c
@@ -0,0 +1,17 @@
+#include <stdio.h>
+#include <string.h>
+void main() 
+{
+    char str[100];
+    printf("Enter a string: ");
+    gets (str);
+    printf("Initials: ");
+    for(int i=0;i<strlen(str);i++) 
+    {
+        if(i==0||str[i-1]==' ') 
+        {
+            printf("%c ", str[i]);
+        }
+    }
+    printf("\n");
+}
diff --git a/Raghav/plin.c b/Raghav/plin.c
new file mode 100644
index 0000000..350c9fe
--- /dev/null
+++ b/Raghav/plin.c
@@ -0,0 +1,17 @@
+#include <stdio.h>
+#include <string.h>
+int main() 
+{
+    char str[50];
+    printf("Enter a string: ");
+    gets(str);
+    int len = strlen(str);
+    int i,t=0;
+    for (i = 0; i < len / 2; i++) 
+        if (tolower(str[i]) != tolower(str[len - i - 1])) 
+            t=1;
+    if (t==0) 
+        printf("%s is a palindrome.\n", str);
+    else 
+        printf("%s is not a palindrome.\n", str);
+}