Ecommerce PHP dynamic website - Pls bid only Hyderabad developers repost

It's a ecommerce project, online education. Payment gateway integration ccavenue. 1. Students visit our site and visited students have an option chat with our employee. 2. After the conversation between our employee and student, ones student paid amount an account will be created to student with a validity of 3months or 6months.(Student account creates only after successful payment done.) 3. Our employee will be having an account that will be created by admin for our internal employees. 4. At employee account i want a button that will show how many users are in online, if our employees click that button as per the clicking priority student should be allocate to our fist clicked or higher priority employee. Our employee can have an access to open any number of chat boxes at a time by clicking that button, if employee is in two different chats if he finds one chat is potential he will ignore the other and continue with the potential chat. 5. White board hosted widget we will provide you, a small code that to integrate at employees accounts. 6. Students account have materials, previous recorded classes it'll be given by white board host. And some more functionalities. 7. Employee login have employee details, shift details, materials, feedbacks, previous chats. 8. Admin have an option to track everything and full access and full security, page links should be good for seo purpose. Note: 1. Payment Gate Way integation 2. Customized chat application for our employees to student conversation with a button that is showing number of users are in online. 3. Student account 4. Employee account 5. Admin account 6. Designing All these you need to address