Hello! Welcome to OSM! If you're testing, please feel free to do so but ensure that you revert your changes or don't commit changes to the database. OSM is used widely by the community and it is important that all data that goes in to OSM is valid. 

Some recommended reading: https://wiki.openstreetmap.org/wiki/Good_practice

You are welcome to be in touch with the India community via Mail/Telegram if you have any questions about how you could contribute.

Happy mapping!

P.S. I have removed this edit in https://www.openstreetmap.org/changeset/135684716