English speaking courses

I would like to get an idea about this English Samsarikkam courses. Like through whatsapp, app and offline. Does the market saturated ? Am a consultant and my new client is English tutor. She plans to launch her own course. Before the start I would like to give her an insight about the market trends, pros and cons along with the marketing budget. What do you guys think? Can I new comer flourish? What will be the problems we can expect ? What should be price range ? She provides a 3 month regular intensive program. It is a daily course. Covering accent , vocabulary, grammar and all other things.