Online ERP Solution- Institution Management System

Hi I am looking for ready made ERP solution for Institution which need Student registration , Employee registration , Institutions Registration which all comes under Super Admin . In student registration student can apply for admission , pay fee online , See their attendance , latest circular , can edit their profile , can see their syllabus update , issue library books and can see and track their bus routes In Employee registration they can see their profile , Class assign , time table , can upload their attendance and of students . Upload assignment / circulars . See their salary or download salary slips In Institution panel - Can generate the employee id or student id or can approve student regsitartion request or employee registration . Can assign user with different task like accounts department , transport department , library department , admission details and fee details and can assign the rights to individual toou In Super admin they can see and edit all the above rights of student , employee or Institution. Kindly note we have fixed budget not more than Rs 15000. Also we need to integrate it with our existing online Admission portal.