How create a CRM for start up?
Ajay, it's difficult to understand what kind of help you actually need. Can you add some details to your question?
I have a new start up will require to have a cloud based CRM to store customer information as well as create sales lead , funnel and appointment tracking
Don't wanna demotivate you, but there are already many opensource CRMs that are capable to cater required use-case. What's new your CRM will be providing that other CRMs are not capable to deliver ?
you can try vtiger it is open source and you can easily host it, it has all the basic functionalities that you might need like Leads, customer, appointments tracking and sync with google