My father issued a blank cheque to Mr. X for unsecured loan of Rs. 3 Lakh he took from Mr. X. My father continuously repaying interest to him (In cash). failing to pay interest for few months due to his illness Mr. X draw the cheque of Rs. 25 Lakh and sent a notice under Negotiable Instrument Act.
We tried to settle it outside the court but Mr. X is asking for 25 lakh Rs.
What are the options available to my father now ?
please provide any relevent case laws/ judgement/ pronouncement which can help me.