These violent yet vibrant masks are used in South Asian Countries as a symbol to keep away the evil by placing on your property. It resembles the face of  the devil (as mentioned in Hindu mythology) and is used to scare bad energy away. You can often find masks like these hanging on the front of people's houses and shops. These were up for sale at the Surajkund International Fair at Faridabad.
<a href="//commons.wikimedia.org/w/index.php?title=User:Charvimathur&amp;action=edit&amp;redlink=1" class="new" title="User:Charvimathur (page does not exist)">Charvi Mathur</a>
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<span class="int-own-work" lang="en">Own work</span>