Keydus Technologies — captcha offer

Website:

filarialenterprise.com

This company by name of FILARIAL enterprise offered me a job of filling cptcha codes . without any investment and the work was soo hactic and time limit was 10 days to fill 10000 capatchas . how can this be possible for a student ...the registered my ID and asked me to open the ID . but when i told them to terminate the ID the are asking for panalty charges 7600 rupees by saying about their aggrement the have signed by me. i was registered on 19july and on 20th july i was aski g for termination of ID because their app isnot also working properly. and they are saying that if i will not give panalty to them they handle it legally and take me to caurt. i am not able to pay the panalty.
what can i do now?...please advise...