Onion Insight — not being paid

Address:

303 Ganpati Kings County Near Holy Public School Sikandra, Agra, Uttar Pradesh, 282007

Onion insight contacted me in 16 thaugust 2019 for an audit of royal enfield service center based in agra (Mangal motors). To which they said that i will be paid upto rs.2500 for the srevice and rs.500 voucher in 60 working days. I submitted all my reports till 19th august 2019. After 60 working days i contacted them for the payment and got a silly excuse from their side. Today is 9th december 2019. A week short of 4 months. And i dont see any signs on my payment being released.