A proprietorship concern is a disregarded entitiy or entity disregarded as being seperate from the individual. Therefore each proprietorship is a separate business of the same individual and what you are auditing are seperate businesses of an individual only. You may fill certain schedules separately for each business but eventually the data has to be consolidated in one ITR4 form. For purpose of Sales Tax or VAT, two proprietorships are included in one number as administrative relief is granted only once to the proprietor. Therefore I would consider it as one audit only for section 44AB. Even if your client wants a separate report, he is entitled to get from you a package deal to also segregate his businesses and report and give the department a consolidated report that reflects all the segregated reports. You are giving a package deal for doing more work for him in the same audit and this does not increase your number of audit as you are not seperating the individual but his businesses. Yes you could charge him more for the extra workload involved.
This is distinct from companies where one holding company may have 100% ownership of other companies or maybe and some of these companies maybe organised together as yet another company or even LLPs. They are all distict entities for statutory compliances and therefore each one on its own would add up in numbers as far as audit is concerned. There is no doubt a holding company would have to include the audit reports of each entity in its annual reports. Yet, as far as number of audits are concerned, each are individual for ROC/CLB as well as Tax.
Sorry friends that I am entering your domain for this discussion totally uninvited as compared to your qualifications in the matter. However, there are two things I hate the most:-
* Injustice
* Discrimination
I am a firm believer in level playing field for all and I do get into debates and discussion for these.