Recovery agent harrassment

Sir I accept my mistake that I am a defaulter and I am ready to pay the amount... But even after assuring that I am getting threatening calls from your recovery department from the past 5 days... Sir I am a 9 month pregnant woman nearing to my due date.. and even after requesting a 100 times to your agent she is continously threatening me...she is also making calls to other ppl at my work place at my in-laws place and saying bad things about my character. She is also continously calling at my workplace and now my boss is asking me to give explanations and resign... The threats also resulted into a very high BP and medication which will also affect the baby.. Sir, I even requested hr to sent the recovery agent so that I can pay the dues but he refused to give us the receipt and the manager said that it will be given after 2 days so we dindt made the payment to him...and said that we will come to the offc and take everything in written. But even after that she is continously making calls today and harassing me.