It appears that there is no proper follow up at any level. Son says he is not having any idea as to whether the case was filed or dismissed. Advocate confirms that notice issued but there is no proper response. Essential elements are badly missing.
1. Where is the bounced cheque Now 2.What is the date of cheque 3.When the period for a reply by drawer expires. 4.If the advocate says there is no response, he should have told you the fact that the case was not filed at all.
Now, explore other options for recovery without depending much on the outcome of the bounced cheque as there must be some documentary evidence of promissory note etc.,
Contact service provider if your father is having a mobile and explore for the possibility of data retrieval
Facts are not adequate to give any opinion. Contact local advocate and show him the bounced cheque and return memo and previous experience with first advocate and explore possibilities, opportunities, alternates.