Ims Services — payment not given

IMS Services has taken my security deposit and is not paying me any money. Please take action against them. They have taken 700 Rs as security deposit. Please help me. The number from which I was offered this job is +[protected]. It is the whatsapp contact number. The name is Dayanand Acharya. He has not paid me anything and is not replying to my messages on whatsapp. It is the only contact number I have.