Udcon Enterprises — fraud made by company and to get my money back

Address:

Hyderabad, Andhra Pradesh, 500055

I was assigned handwriting project and i had to pay 1800 . The project was completed within the deadline and couriered to Delhi on 27 feb. After receiving my project they are not making any payment . Neither attending the calls nor giving proper response . I submitted the project to HR Jasmine by whatsapp. Its been 18 days since i had completed the project.
My mistakes are less than 140 for that I have to get 10, 000. I counted my mistakes 2 to 3 times and they are less than 140.Please help me sir and madam to get 10, 000 or less than 10, 000 back.