Optrica Technology — fraud online home based work

Hello..
I got call and he says theres captcha filling work
In this work you will given 10000 captchas and you have to complete in 10 days
For this you can earn upto 22500 after completing the work 5000 will be subtracted as const. Fee.
After that i got a call from a lady for verification.. I said yes..
Then they asked me for adhar card
And told me to uplaod my photo and sign. At their given android apps.
Their captchas are so strange.. Everythinh is strange.
I didnt completed the work.
Now they are asking me for money
And sent me sms and email saying that they have filled a case against me with section 73 74 75.
In the mail they told me if i want to close this file, i must pay the fee.
They made agreeement without my knowledge and now they threatning me..
I m a student i cant pay the fee

Help me please..
Am very depressed about this.

Thank you..