Tamil Nadu Open University — Not giving a good response for project we submitted

Hi my sister have studied mba in your university ramanathapuram coimbatore.. She completed exams and passed.. But after that only they said we did completed project for the exam.. They get 6000rs for the project and they have said they send the project to the chennai head office but they said they did received any project nu but if we asked in class they r not giving proper response and treating very badly its been 2years we are asking to the class the have not responding properly..