Hi Sagar,
There are different requirements to analyze before beginning a startup.
- Finance
- HR
- Sales/marketing
- Design/development
- workspace/location
Finance is a main issue for startup's, they are provided by different loan sharks,bank loan, and through various other management bodies.
You can visit these to know about startup basic infrastructure,
https://earlygrowthfinancialservices.com/starting-up-how-to-set-up-your-startup-infrastructure/