diff --git a/Armstrong number.c b/Armstrong number.c
new file mode 100644
index 0000000..00caa46
--- /dev/null
+++ b/Armstrong number.c	
@@ -0,0 +1,52 @@
+#include <stdio.h>
+#include<math.h>
+
+int check_armstrong(int);
+
+int main()
+{
+    int num_1,num_2;
+    printf("Enter first number : ");           
+    scanf("%d",&num_1);
+    printf("Enter second number : ");
+    scanf("%d",&num_2);
+    printf("\nThe armstrong numbers in the interval %d to %d are as follows: \n",num_1,num_2);
+    for(int i=num_1;i<=num_2;i++)
+    {
+        if(check_armstrong(i)==1)                 
+        {                                //checking whether the num is armstrong or
+            printf("%d\n",i);            //if it is then printing its value.
+        }
+    }
+    
+}
+
+int check_armstrong(int p)
+{
+    int temp,flag;                          
+    temp=p;
+    flag=p;
+    int rem=0,total=0,count=0;
+    while(p)                    //this while loop is for counting the total number of digits in the number
+    {
+        rem=p%10;
+        p=p/10;
+        count++;
+    }
+    rem=0;
+    while(temp)                        //this while loop is for calculating the sum of digits raised to the total 
+    {                                  //count of digits in the number as power
+       rem=temp%10;
+       total+=pow(rem,count);
+       temp=temp/10;
+    }
+    if(total==flag)
+    {
+        return 1;
+    }
+    else
+    {
+        return 0;
+    }
+    return 0;
+}