Dgs Sol — fraud agreement

Address: Varanasi, Uttar Pradesh, 221003

Hi,
This is satish
I have got a call from dgs sol 12 days back
And the have offer me for a form filling job and for that the said they will give some amount and they send me an agreement letter, befor i could understand somthing they send me it to me after getting my details (Address, name etc) some how i could not complete their work on time for that they have asked me to depisit rs.3900 in prospexive technology acount
And i have depisited this amount and ask them not to continue further then they agsin demand me rs.12500
Sir,
Please help kariye ye legal action ki dhamki de rahe hai aur gaali galauj bhi kar rahe hai call karke
Mai unka contact no bhi niche mention kar raha hu
Plz help me
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