Unix Enterprise — asking money

I got a call from the women few days back she said she is from unix enterprise. She offered me a job of online form filling work with a government legal agreement. She gave a i'd password 1st i login that later she calls me and again give me some other i'd to work i completed my work when it's become to submit time my i'd is invalid i don't know what to do i came to know that these people are a scammers as soon as i call my agent no she blocked my number at the same time when i tried contacting them and according to the agreement i have to pay rs 4500 as a penalty if i didn't do the work in 10 days. After 10 days i am getting constant emails calls and texts from adv pranav gupta saying under sections 420 of the indian penal code you need to clear the dues of the company and settle your dues, otherwise court behold the right to take strict action against you. Call on [protected] for further assistance. 1st day message from legal department and after 2 days, this is to inform you that your internal case[protected] has been listed on 27/09/2019 for legal proceedings. Kindly call on [protected] for further detail
I don't know what to do. Please help.
Asking me for the money-a fraud company please help me