User talk:NikhilKatariya

December 2012
Hello, I'm Gabriel Kielland. I wanted to let you know that I undid one or more of your recent contributions to Air pollution because it didn't appear constructive. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks! Gabriel Kielland (talk) 18:50, 9 December 2012 (UTC)