Https://metamersh.com/ appears as one of the ecommerce website upon searching for products but they dont ship or respond to customer queries.
Their contact details are also invalid and not reachable.
they try to get bank/upi details or ask you to download app so that they can scam you further and get more money from you
[protected], this is one their mobile nos where they try to scam a customer in the name of sending refund Was this information helpful? | 
So that no scams like this in future