Update README

README.md

@@ -119,68 +119,54 @@ A comprehensive Student Management System built with Django, featuring multi-rol
 ## ✨ Key Features
 
 ### 👥 User Management
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 - **Multi-role System**: Comprehensive role hierarchy
 - **Secure Authentication**: OTP and TOTP-based verification
 - **Role-based Access Control**: Detailed permission system
 - **User Profiles**: Complete user information management
 
 ### 📚 Academic Management
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 - **Course Management**: Create and manage courses
 - **Subject Management**: Organize subjects with materials
 - **Class Scheduling**: Advanced timetable system
-- **Grade Management**: Comprehensive grading system
-- **Exam Management**: Complete exam workflow
 
 ### 📊 Attendance System
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 - **Real-time Tracking**: Live attendance monitoring
 - **Automated Reports**: Detailed attendance analytics
 - **Notification System**: Real-time alerts
 - **Bulk Operations**: Efficient batch processing
 
 ### 📝 Leave Management
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 - **Multi-level Approval**: Role-based approval workflow
 - **Leave History**: Complete leave tracking
 - **Automated Notifications**: Status updates
 - **Documentation**: Leave record management
 
 ### 👨‍👩‍👧‍👦 Parent-Teacher Interaction
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 - **Meeting Scheduling**: Online/offline meeting management
 - **Progress Tracking**: Student performance monitoring
-- **Communication**: Direct messaging system
 - **Feedback System**: Comprehensive feedback mechanism
 
 ### 📈 Course Progress Tracking
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 - **Progress Monitoring**: Real-time course progress
 - **Completion Tracking**: Detailed completion metrics
 - **Performance Analytics**: Student performance analysis
-- **Automated Updates**: Progress notifications
 
 ### 🔄 Feedback System
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 - **Multi-level Feedback**: Student, parent, and staff feedback
 - **Rating System**: Detailed rating mechanism
 - **Anonymous Feedback**: Option for anonymous submissions
 - **Feedback Analytics**: Comprehensive feedback analysis
 
 ### 🔐 Security Features
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 - **OTP Verification**: Two-factor authentication
 - **Session Management**: Secure session handling
 - **CSRF Protection**: Cross-site request forgery prevention
-- **XSS Protection**: Cross-site scripting prevention
-- **SQL Injection Prevention**: Secure database queries
+- **Password Security**: Secure password hashing and validation
 
 ### 📱 Mobile Features
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 - **Responsive Design**: Mobile-first approach
-- **Push Notifications**: Real-time updates
-- **Mobile Optimization**: Touch-friendly interface
+- **Touch-friendly Interface**: Optimized for touch devices
+- **Responsive Navigation**: Mobile-optimized navigation system
 
 ## 🎯 Project Architecture