Data Job Solution — company doesn't pay me nor they responded

I am a student, i thought of getting part time job and apply to quick jobs then next day an agent call me and give me work details and tell me to submit rs. 1, 550 as security deposit. After, that i got a mail next day including my work of data entry it included an agreement without any signature on it nor have any kind of legal stamp but i thought it was no issue then i submitted my work after completing it before dead line but after that i didn't received any kind of response from job nor my agent is picking up call it's been 8 day now.
Please help me to get my money even if it is only my security deposits.

The mail address from which i received my work details & work is:-

Gmail id : [protected]@gmail.com