C-88, Vibhuti Khand, Gomti Nagar, Lucknow arpit@marmelos.co.in
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Sanitation Workforce Platform

Safai Mitra

End-to-end digital solution for managing municipal sanitation operations — workforce attendance, GPS tracking, face recognition, inspections, payroll, and accounting.

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16 Modules

GPS • Face ID • Geo-Fence • Payroll • Accounting

GPS + Face ID
16
Modules
8
User Roles
GPS+Face
Dual Verification
Multi
ULB Support
Powerful Features

Everything You Need for Sanitation Operations

16 feature modules covering workforce, GPS, face recognition, GIS, inspections, payroll, accounting, and reporting. Click any category to explore in detail.

Authentication & Security

Password, OTP, JWT, audit trail

10 Features
Attendance Management

GPS check-in, geo-fence, photo verify

11 Features
Face Recognition

Anti-spoofing, real-time matching

6 Features
Field Verification

Inspector dashboard, ward assignment

7 Features
Employee Management

CRUD, documents, ward mapping, shifts

10 Features
Master Data

Zones, wards, beats, departments, ULBs

9 Features
GIS & Geo-Fencing

Polygon management, live workforce map

8 Features
Dashboards

7 role-based dashboards

7 Features
Notifications

FCM push, targeted delivery

4 Features
Payroll

Multi-stage approval, salary slips

8 Features
Accounting & Finance

Bank accounts, heads, bills, multi-ULB

12 Features
Waste Management

Depots, disposal photos, status tracking

4 Features
Reporting & Export

Excel/PDF export, department reports

7 Features
District & ULB Admin

Multi-tenancy, officer-ward assignment

4 Features
File Management

Upload/download, multi-format

3 Features
System Architecture

ASP.NET Core 9, SQL Server, Flutter

8 Features

Authentication & Security

Password, OTP, JWT, Role-Based Access, Audit Trail
Login & Security
  • Password Login with Argon2id hashing
  • OTP-Based Login via SMS
  • JWT Token Authentication
  • Session Management & Auto-expiry
  • Account Lockout after failed attempts
Access Control
  • Password Change functionality
  • Device Binding for mobile login
  • Audit Trail for all critical actions
  • Login History with device & IP tracking
  • Role-Based Access Control with 8 roles

Attendance Management

GPS Check-In, Geo-Fence Validation, Photo Verification, Tracking
Check-In / Check-Out
  • GPS-Based Check-In with coordinates
  • Check-In Photo capture
  • Geo-Fence Validation on check-in
  • GPS Drift Detection & correction
  • Location Tracking during work hours
  • Check-Out with Overtime calculation
Tracking & Status
  • Tracking Path recording throughout the day
  • Photo Upload during work shifts
  • Attendance Status (Present, Absent, Leave, Half-Day)
  • Verification Status by inspector
  • Geo-Fence Violations reporting

Face Recognition

Embedding-Based Enrollment, Anti-Spoofing, Real-Time Matching
Face Registration
  • Embedding-based face enrollment
  • Anti-Spoofing detection (liveness check)
  • Face Verification 1:1 against stored embedding
Management
  • Embedding Storage in secure database
  • Self-Registration via mobile app
  • Face Status Query (registered / not registered)

Field Verification

Inspector Dashboard, GPS Photos, Attendance Approval
Verification
  • Submit Verification with GPS coordinates & photos
  • Approve / Reject Attendance records
Inspection
  • Inspection Dashboard with pending items
  • Inspection History with filters
  • Photo attachment for inspections
  • Remarks & notes for each inspection
  • Ward Assignment for inspectors

Employee Management

CRUD, Documents, Ward Mapping, Shifts, Salary Details
Employee Operations
  • Employee CRUD (Create, Read, Update, Delete)
  • Employee Search & filtering
  • Ward / Beat Filtering for assignments
Documents & Photos
  • Employee Documents upload & storage
  • Employee Photos with face embedding link
Assignment & Config
  • Ward / Beat Mapping per employee
  • Transfer History tracking
  • Salary Details management
  • Designation & Department assignment
  • Shift Management & roster
  • Holiday Management per region

Master Data

Zones, Wards, Beats, Departments, Designations, ULBs, Shifts, Holidays
Data Management
  • Zones with GIS polygon data
  • Wards with zone mapping
  • Beats with ward mapping
Configuration
  • Departments master
  • Designations with grade & pay scale
  • ULB Multi-tenancy support
  • Shift Masters configuration
  • System Settings management
  • Holiday Masters per zone / ward

GIS & Geo-Fencing

Polygon Management, Geo-Fence Validation, Live Workforce Map
Mapping
  • Polygon Management for zones, wards, beats
  • Polygon Data Storage (lat/lng arrays)
  • Geo-Fence Validation (point-in-polygon)
  • Circular Geofence for radius-based checks
Live Maps
  • Live Workforce Map with real-time positions
  • Ward Map Data visualization
  • Zone Map Data overlay
  • Beat Map Data with coverage areas

Dashboards

7 Role-Based Dashboards with Real-Time Data
Role-Based Dashboards
  • Super Admin Dashboard (system-wide overview)
  • District Admin Dashboard
  • ULB Admin Dashboard
  • Zone Officer Dashboard
  • Ward Supervisor Dashboard
  • Inspector Dashboard
  • Employee Dashboard (self-view)

Notifications

FCM Push Notifications, Targeted Delivery, Device Registration
Push Notifications
  • Push Notifications via FCM (Firebase Cloud Messaging)
  • Targeted Delivery by role, ward, zone
  • Device Registration & token management
  • Notification History & logs

Payroll

Salary Calculation, Multi-Stage Approval, Salary Slips, Audit Log
Payroll Process
  • Salary Calculation with attendance feed
  • Bulk Calculation for entire workforce
  • Multi-Stage Approval (7 stages)
Management
  • Salary Months configuration
  • Salary Disbursement tracking
  • Salary Slips generation & download
  • Payroll Audit Log for every change
  • Payroll Settings (allowances, deductions)
  • Filtering & Reports by ward, department, zone

Accounting & Finance

Bank Accounts, Accounting Heads, Bills, Projects, Multi-ULB Support
Bank & Heads
  • Bank Accounts management
  • Accounting Heads (income / expense categories)
  • Head Transactions with full trail
  • Head Statements & summaries
Projects & Bills
  • Projects with status tracking
  • Project Documents upload
  • Bills creation & management
  • Bill Workflow (5 approval stages)
  • Bill Documents attachment
  • Bill Resubmission on rejection
Allocation
  • Head-Allocation mapping for budgeting
  • Multi-ULB Support for accounting isolation

Waste Management

Waste Depots, Disposal Photos, Status Tracking, Depot Map Data
Waste Operations
  • Waste Depots management & registration
  • Depot Photos for documentation
  • Photo History with timestamps
  • Depot Map Data for GIS visualization

Reporting & Export

Excel/PDF Export, Attendance Reports, Department & Beat-Wise Reports
Reports & Export
  • Attendance Report (daily, monthly, custom)
  • Monthly Summary Report
  • Excel Export for all data tables
  • PDF Export for printable reports
  • JSON Summary for API integrations
  • Department-Wise Reports
  • Beat-Wise Reports

District & ULB Administration

Multi-Tenancy, ULB Management, Officer-Ward Assignment
District & ULB
  • ULB Management (create, configure, manage)
  • District Dashboard with multi-ULB view
  • Multi-Tenancy data isolation per ULB
  • Officer-Ward Assignment for supervision
  • Employee-Ward Mapping for workforce allocation

File Management

Local File Storage, Serving Endpoint, Supported Formats
File Operations
  • Local File Storage for documents & photos
  • Serving Endpoint for secure file access
  • Supported Formats (images, PDFs, documents)

System Architecture

ASP.NET Core 9, SQL Server, Flutter, Clean Architecture, CQRS
Technical Stack
  • Backend: ASP.NET Core 9 Clean Architecture
  • Database: SQL Server + Entity Framework Core
  • Mobile: Flutter (Android & iOS)
  • Authentication: JWT + Argon2id password hashing
Architecture & Patterns
  • Architecture: DDD + Repository + Unit of Work
  • CQRS + MediatR for command/query separation
  • API Versioning: URL-based (v1, v2)
  • API Documentation: Swagger / OpenAPI
  • Face Recognition: Embedding-based matching
  • GIS: Polygon point-in-polygon algorithm
  • Notifications: Firebase Cloud Messaging (FCM)
Built With

Technology Stack

A robust, scalable, and secure technology stack designed for enterprise-grade municipal operations.

ASP.NET Core 9
Backend API
SQL Server
Database + EF Core
Flutter
Mobile (Android & iOS)
JWT + Argon2id
Authentication
CQRS + MediatR
Clean Architecture
Polygon GIS
Geo-Fencing
FCM
Push Notifications
Face Recognition
Embedding-Based
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