Confused with business model with commission during transactions OR advertisements? Any stats about survival with advertisements.

The business model should (in most cases) adapt to your product. No the other way around.
I wrote two examples of how companies should adapt their monetization strategy to what their customers actually want the product to do, and not the other way around.
You can read them here:
https://medium.com/@JDcarlu/mattermark-for-everyone-b9d92e6a8831
https://medium.com/@JDcarlu/on-medium-images-b3941a97ba94

Hope it helps explains what I mentioned before

The header of your query reflects problem around monetization model than business model. The descriptive content, ironically, is reflective of modus-operandi and legality of the same.

If I may ask, what is it that's becoming illegal in Indian context?

India has been hit badly by the pandemic.
The key message is that law enforcers and regulators have a heightened interest in all communications to consumers during a national emergency, a time when millions of people are unemployed and vulnerable to deceptive or unfair business practices. When a defining cultural event occurs such as the COVID-19 pandemic, it is critical for brands to be tactful, employ mindful marketing and be empathetic to consumers' plight. Brands must acknowledge the crisis while continuously reflecting positive values that will keep consumers coming back for more. This can be accomplished through adjusting marketing campaign and scheduled content timelines, evaluating the language and imagery used in advertisements and marketing materials and awareness of consumers' increased anxiety at this time.
You can read more here: https://www.hklaw.com/en/insights/publications/2020/04/the-impact-of-covid19-on-your-advertising-and-marketing-campaigns
Besides if you do have any questions give me a call: https://clarity.fm/joy-brotonath