User talk:Upendr kumar

November 2018
Please refrain from making unconstructive edits to Wikipedia, as you did at Holography. Your edits appear to constitute vandalism and have been reverted. If you would like to experiment, please use the sandbox. Repeated vandalism may result in the loss of editing privileges. Thank you. &#x2230; Bellezzasolo &#x2721;  Discuss  13:48, 23 November 2018 (UTC)