Fact Check: The picture of fountain getting viral on social media is not of Gyanvapi Masjid.
Ananaya Sharma 
One such misleading photo is going viral on social media, which is being claimed by users to be the fountain of Gyanvapi Masjid. One user wrote – “This is the place where Wudu is held, the fountain in the middle of it, people are calling it Shiva Linga and spreading rumours, Godi media and blind devotees.”
https://www.facebook.com/permalink.php?story_fbid=2206035642883284&id=100004306099144
At the same time, another user also posted – “This is the place where Wuzu is the fountain in the middle of it, people are calling it Shiva Linga and spreading rumours.”
https://www.facebook.com/permalink.php?story_fbid=482104207044629&id=100057351624302
A user wrote on Twitter – “If this is a Shiva Linga, then almost every fourth mosque in India will find this Shiva Linga. There is no shame left, leaving our temple and looking for God in our mosques. Go find employment.”
https://twitter.com/Hafsa7867867/status/1526444204909645824?s=20&t=RPVBOUUbJtHyNMrD4C0soQ
Fact Check:
The watermark on the picture going viral is Alamy, which is a photo stock company. We went to Alamy’s website and searched the picture. After which it came to light that this photo is of the Vajukhana of Ajmer Sharif Dargah. Which has been uploaded on Alamy’s website on 7 September 2016.
https://www.alamy.com/stock-photo-ajmer-sharif-dargah-rajasthan-ablution-pool-india-148170087.html
Conclusion:
Our fact check proves that social media users are misled by ongoing viral picture.
Claim- The fountain of Vazukhana of Gyanvapi Mosque is called Shivling
Claimant- Social media users
Fact Check – Misleading
Siddharth Urmil 
Megha Bajaj 