diff --git a/c/Binarysearch.c b/c/Binarysearch.c
new file mode 100644
index 0000000..d960f80
--- /dev/null
+++ b/c/Binarysearch.c
@@ -0,0 +1,69 @@
+#include<stdio.h>
+int binarySearch(int arr[] , int left , int right , int item ){
+    int mid ;
+    if (right >= left){
+        mid = (left+ right )/2;
+        if (arr[mid ]==item){
+            return mid +1 ;
+}       else if (arr[mid]<item){
+            binarySearch(arr,mid +1 , right, item );
+
+
+    }   else{
+            binarySearch(arr , left, mid-1 , item);
+    }
+    }
+    return 0;
+}
+
+
+
+
+int main(){
+    int q ;
+    scanf("%d\n", &q);
+    for( int z=0 ; z<q ; z++){
+        int n , h;
+        scanf("%d %d", &n , &h);
+        int arr[n];
+        for (int i=0 ; i<n ; i++ ){
+            int a ;
+            scanf("%d ", &a );
+            arr[i]=a;
+        }
+        int val=15;
+        int pos =-1 ;
+        pos = binarySearch( arr , 0 , 7, val );
+        if (pos !=-1){
+            printf("%d is found at %d pos " , val , pos);
+        }else {
+            printf ("not able to find ");
+        }
+        int sum=0;
+        int k=1;
+
+        while (sum!=h){
+            int hsum=0;
+            for(int i =0 ; i<n-1 ; i++){
+                if ((arr[i]+k)<(arr[i+1])){
+                    sum=sum+k;
+                }else if ((arr[i]+k)>arr[i+1]){
+                    hsum= hsum+(arr[i+1]-arr[i]);
+                }
+                
+
+                }
+
+            sum=hsum;
+            k++;
+        }
+        printf("%d ", k);
+
+    }
+        
+
+
+    
+    return 0;
+}
+