Realistic Business Ideas

I am looking for realistic business ventures and investment ideas where I can commit my full-time efforts. I have a capital of ₹50 lakhs and prefer to avoid Tier-1 cities. My focus is on Tier-2 cities in Southern India, specifically within the Telugu states (e.g., Vizag, Rajahmundry, Warangal). What industries or models show the most promise in these regions?

Preferable sectors

1. Health

2. Education

3. Food processing

4. Imports and exports

Food business or cafes❌