[Resolved]  Pro Sol Maharashtra — threat about sending legal notice due to absence of accuracy

Address:

Latur, Maharashtra state PRO SOL, a proprietorship firm Kasliwal, Latur,, Latur, Maharashtra, 413512

I received a call from pro sol maharashtra for a part-time form filling work
Here, they requested my id card, and i gave them and they gave me workload with the login id and password and they forced me to complete 1000 form filling within 10 days with 90% accuracy and reminded me that otherwise, you have to pay 5200+3000 as utility and maintenance fee. I submitted the workload within 10 days but they stated that you never scored 90% accuracy
At last, they send me legal notice arguing that you have to pay 5200+3000 otherwise you may face legal procedures and court proceedings...
If anyone can help me,
Pls, help me pls...