diff --git a/C/StackADT.C b/C/StackADT.C
new file mode 100644
index 00000000..d3a91dba
--- /dev/null
+++ b/C/StackADT.C
@@ -0,0 +1,118 @@
+#include<stdio.h>
+int stack[100], choice, n, top, x, i;
+void push(void);
+void pop(void);
+void display(void);
+void stacktop(void);
+int main()
+{
+    //clrscr();
+    top=-1; 
+
+    printf("Enter the size of STACK [MAX=100]:");
+    scanf("%d", &n);
+
+    printf("\n\t STACK OPERATIONS USING ARRAY:");
+
+    printf("\n\t 1.PUSH\n\t 2.POP\n\t 3.STACKTOP\n\t 4.DISPLAY\n\t 5.EXIT");
+
+    do
+    {
+        printf("\n\n Enter the Choice:");
+        scanf("%d", &choice);
+
+        switch(choice) 
+        {
+            case 1:
+            {
+                push();
+                break;
+            }
+            case 2:
+            {
+                pop();
+                break; 
+            }
+            case 3:
+            {
+                stacktop();
+                break;
+            }
+            case 4: 
+            {
+                display();
+                break;
+            }
+            case 5:
+            {
+                printf("\n\t EXIT ");
+                break;
+            }
+            default:
+            {
+                printf ("\n\t Enter a Valid Choice (1/2/3/4/5)");
+            }
+
+        }
+    }
+    while(choice!=5);
+    return 0;
+}
+void push()
+{
+    if(top>=n-1)
+    {
+        printf("\n\t STACK IS FULL.");
+
+    }
+    else
+    {
+        printf(" Enter Value:");
+        scanf("%d", &x);
+        top++;
+        stack[top]=x;
+    }
+}
+void pop()
+{
+    if(top<=-1)
+    {
+        printf("\n\t STACK IS EMPTY.");
+    }
+    else
+    {
+        printf("\n\t Popped element is: %d", stack[top]);
+        top--;
+    }
+}
+void stacktop()
+{
+    if(top<=-1)
+    {
+        printf("\n\t STACK IS EMPTY.");
+    }
+    else
+    {
+        printf("\n\t Top element is: %d", stack[top]);
+
+    }
+}
+
+void display()
+{
+    if(top>=0)
+    {
+        printf("\n STACK: \n");
+        for(i=top; i>=0; i--)
+            printf("\n%d", stack[i]);
+
+        printf("\n Next Choice:");
+    }
+    else
+    {
+        printf("\n STACK IS EMPTY.");
+    }
+
+}
+
+