User talk:Madhusudan hantal

December 2017
Hello, I'm Oshwah. An edit you recently made to Water purification seemed to be a test and has been removed. If you want more practice editing, the sandbox is the best place to do so. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks.  ~Oshwah~  (talk) (contribs)   02:48, 17 December 2017 (UTC)

Problem
I dont what to add. Can you help me? Madhusudan hantal (talk) 03:09, 17 December 2017 (UTC)