Infra Data Technology — home based work

I got a call from infra data technology for home based work and i agreed to work and they sent me one agreement in which i haven't signed and behalf of me they have sent agreement and regarding the job it is like a hell that nobody can do it. Its all planned and now m getting a call from them to pay penalty of 4000 as i mentioned their mail as below.
It is mental harassment.
Dear user,

This is to inform you that, we legal department of infra data technology has received your case, and we found that your agreement has been terminated. Now, we have verified your case and found that you have breached the clause of an agreement. As per an indian contract act 1872 you have signed an agreement and if you don't make payment for losses then section 17 shall be imposed on you. We are serious for our client infinity loss of their work. Now, you need to pay an amount as per agreement term. As per an indian penal code section 420 shall be imposed on you if you abscond from the situation. Now you don't pay that amount what our client is demanding for then, you need to pay double amount and legal notice will be issued to you. Still you fail to pay this amount then, we will call you here for legal proceedings.
By today you will get a call from our legal department for this concern.
• if you dont receive our legal department calls we will charges rs 500/- penalty per call.
•you will be reported as defaulters in cibil, experian, equifax and crif highmark. This will mean that you will not be eligible to avail loans from banks/financial institutions. You will not be able to get a credit card in the future.
•if you have existing loans, then you may get a call from your lenders about your delinquency. They may even reduce your credit limit because of the delays.
•you may have trouble with background verification with your future employers. We have a case against you because of “breach of contract”.
•if you are a student, then it will inform to your institution about your defaulter case.
We urge you to consider this notice with utmost importance and make arrangement to repay the overdue amount as mentioned in agreement along with legal fee till actual realization of the said amount, if you are not able to make the payment within 12hrs from the date of receipt of this notice, we would have to initiate necessary actions.
Section 45 of coercion act shall be imposed on you, if you try to coerce our client. Our client is sole proprietor and if you don't follow any of our advice then, arbitrary act as per an article 14 shall imposed on you. Court will select an arbitrator and at that time you might need to pay rs.15000/- for total loss. We want you to cooperate with our client. Please make payment as early as possible.
Kindly revert to this mail for closing issue...

Find payment link.
Rs.4000/- link - https://easebuzz.in/quickpay/tcqypbpgpy

Feel free to get in touch with abhijeet deshmukh ([protected]) from for any clarifications.
Regard's
Legal advisor
Nashik m. H.
[protected]