Desi Restaurent market research

I want to start a desi food Restaurent in Islamabad Bahria town, it’s a posh area so I want to coduct market research of what kind of menu and food we can offer, what kind of culture we can do, what is scalability of the business, what could be blockers and issues in future it’s my first time with Restaurent business and I need some one who have very good experience in it to help me make this business and market analysis report before I start
Cost and profit is main thing