diff --git a/C/Program-43/program.c b/C/Program-43/program.c
new file mode 100644
index 00000000..35e5b447
--- /dev/null
+++ b/C/Program-43/program.c
@@ -0,0 +1,45 @@
+
+// C program for printing the hollow triangle pattern 
+  
+#include <stdio.h> 
+  
+// Function for printing pattern 
+void pattern(int N) 
+{ 
+    int i, j, k = 0, space = 1, rows = N; 
+  
+    // For printing stars 
+    for (i = rows; i >= 1; i--) { 
+        for (j = 1; j <= i; j++) { 
+            printf("*"); 
+        } 
+        if (i != rows) { 
+            // for printing space 
+            for (k = 1; k <= space; k++) { 
+                printf(" "); 
+            } 
+  
+            // increment by 2 
+            space = space + 2; 
+        } 
+        for (j = i; j >= 1; j--) { 
+            if (j != rows) 
+                printf("*"); 
+        } 
+        printf("\n"); 
+    } 
+    printf("\n"); 
+} 
+  
+// Driver code 
+int main() 
+{ 
+  
+    // Get N 
+    int N = 6; 
+  
+    // Print the pattern 
+    pattern(N); 
+  
+    return 0; 
+}