Alchemist — not received my money that I have invested 3 years back

Address: Kolkata, West Bengal, 700028

Not received my money that i have invested 3 years back, i keep calling them but they say i will receive my money and i am doing this since last 10 months now but no response from them, there is a agent who deals with this alchemist, he told the same thing i will receive the money soon and i tried to contact him on the phone but no response from him either, please assist with this i should have received this money last year