diff --git a/Hackerrank/Picking Numbers.py b/Hackerrank/Picking Numbers.py
new file mode 100644
index 00000000..ef6f6b56
--- /dev/null
+++ b/Hackerrank/Picking Numbers.py	
@@ -0,0 +1,73 @@
+    from math import *
+    from builtins import staticmethod
+    from collections import Counter
+    from collections import defaultdict
+    from collections import namedtuple
+    from collections import deque
+    from queue import LifoQueue
+    import heapq
+    import functools
+    import hashlib
+    from datetime import datetime, timedelta
+    import json
+    import re
+    from itertools import *
+    import queue
+
+
+    def solve(n, a):
+        a.sort()
+        prev_count, cnt, res_min = 0, 1, a[0]
+        for i in range(1, n):
+            if a[i] == res_min + 1 or a[i] == res_min:
+                cnt += 1
+            elif prev_count <= cnt:
+                prev_count = cnt
+                res_min = a[i]
+                cnt = 1
+        if prev_count == 0:
+            return cnt
+        return prev_count
+
+
+    def main():
+        n = int(input())
+        a = list(map(int, input().split()))
+        print(solve(n, a))
+
+
+    if __name__ == '__main__':
+        main()
+
+    0|
+    Add CommentPermalink
+
+    yedinzon
+    6 days ago
+
+    C# Solution
+
+    public static int pickingNumbers(List<int> a)
+    {
+        int maxSubArray = 0, maxTemp = 0;
+        a.Sort();
+
+        do
+        {
+            findMaxArray(a);            
+            if(maxSubArray < maxTemp) maxSubArray = maxTemp;                
+            a.RemoveAt(0);        
+        }while(a.Count() > maxSubArray);        
+
+        void findMaxArray(List<int> list)
+        {      
+            maxTemp = 0;            
+            foreach(int num in list)
+            {                
+                if(num - list[0] > 1) break;                                    
+                maxTemp++;
+            }           
+        }    
+
+        return maxSubArray;       
+    }
diff --git a/README.md b/README.md
index 791a2e2c..d39468b7 100644
--- a/README.md
+++ b/README.md
@@ -102,6 +102,7 @@ In this repository, you can find the solutions (as source code) for the problems
 | [Nauman Chaudhary](https://github.com/nauman-chaudhary) <br> <img src="https://github.com/nauman-chaudhary.png" width="100" height="100">   | Pakistan   | Python |   |
 | [Gourav Rusiya](https://github.com/GouravRusiya30) <br> <img src="https://github.com/GouravRusiya30.png" width="100" height="100">   | India   | Java | https://www.hackerrank.com/gouravrusiya786  |
 | [Trushita Maurya](https://github.com/trushita23) <br> <img src="https://github.com/trushita23.png" width="100" height="100">   | India   | Java 
+| [Revand S](https://github.com/revand5467) <br> <img src="https://github.com/revand5467.png" width="100" height="100">   | India   | Python
 ### License
 
 [![MIT Licence](https://badges.frapsoft.com/os/mit/mit.svg?v=103)](https://github.com/ows-ali/Hacktoberfest/blob/master/LICENSE)