How to deal with Cheque bounce cases?

I had taken a loan from a company for 1.5lakhs wasn't able to make the payment due to some severe financial and personal problems. The loan process was completely done online and there was no physical cheque given to the company. Inspite of no physical cheque been given to the company they have filled a court case under section 138 of negotiable instrument act. Need some advice on what can be done and in this case as there is no cheque given to the company yet they have falsely claimed cheque bounce