How much do mobile app developers earn in India on average?

Im building my portfolio right now. I'm making projects, learning new things every day. I know react native, flutter and jetpack compse. I need suggestions 1. How can I stand out from the crowd? 2. Some project ideas please. 3. If you have worked as a mobile app dev, please share experience. also for which company and tech stack. 4. How can I freelance? any answers are appreciated. 🙏 Any answers would be appreciated.