PHP Codeignitor Expert Required

*** BID WITH YOUR ACTUAL BUDGET & TIME ELSE I WILL REPORT YOU************ I already have a system developed & you need to make the following changes in it: 1. Users with different privileges & roles. 2. Time Saving Attendance marking system for students , teachers & employees [login to view URL] have to select the absent ones & rest should automatically be marked present. 3. Fee management system with different payment options like monthly basis, quarterly or yearly basis etc. Auto notification for all students with unpaid dues after fee payment due date is passed. Admin should have the option of generating the list of students with unpaid fees from entire college with one click button ( e.g. Unpaid Fee Details button) , this report option should also be available class wise as well. 4. In fee section, students should also be searchable by their names, roll no.s & also by fee option ( monthly, quarterly etc). All pending & paid fees report of College with notification sending option to all with one click. 5. Fee, Results summary generation option for admin. Monthly , yearly or custom report with Collected fee , Unpaid fees & Overall results % wise etc. Auto fine calculation & other charges addition option in fee for every student. Fee Receipt printing option. 6. Student profile should have the fields of his most recent result %, most recent fee paid date , attendance % & contact #. 7. Course Contents details for each class with print option. 8. Expenses, salaries, bills & other expenditures entry and profit calculation month wise , quarterly or custom reports generation for admin. 9. You must ensure that your coding is 100 % error fee as I will test it for 2 weeks before clearing all of your payment. Type 786 at start if you have read all details.