[Resolved]  Pw Enterprise — they forced me to pay 4600 for not completing their work

Sir i got a work of form filling through them after some days I face a problem
and want to make contact with them but they don't receive call or many times call not conntected but today I received a mail and phone call from a person named Vishal Patel saying that he is advocate and said to pay 4600 with in 30 minutes other wise he will take legal action to me
And said that he will filed case in court
Sir please help me with such types of things his contact no mentioned below
Name Vishal Patel
Mob-[protected]
Mail VishalPatel.[protected]@mail.com

Sir please help me to get rid of all these type of things so they don't cheat any one
Thank you