NTSPL ESS (Employee Self Service) mobile application is typically designed to provide employees with a platform to manage various work-related activities through their smartphones. Here’s a detailed description of the potential features and functions such an application might include:

1. Dashboard:
Overview: Employees get a summary of their profile, pending tasks, and notifications.
Access: Provides quick links to essential features like leave management, attendance, and payslips.

2. Attendance Management:
Clock-in/Clock-out: Employees can log their work hours, either manually or via automatic location-based services.
View Attendance History: Track past attendance records, view details of hours worked, and attendance status (late, absent).
Geolocation & Geofencing: Some apps may have features to ensure employees log in from approved locations.

3. Leave Management:
Apply for Leave: Employees can apply for various types of leaves (e.g., paid, sick, casual) with ease.
Leave Balance: View the current leave balance, including accumulated and used leaves.
Leave Status: Track the status of leave applications (approved, pending, rejected).

4. Payroll & Payslips:
Payslip Access: Employees can view and download their monthly payslips.
Payroll Summary: Provides a breakdown of salary components like basic pay, allowances, deductions, and net pay.

5. Reimbursement:
Expense Submission: Employees can submit work-related expenses for reimbursement.
Track Status: Allows users to track the status of their claims (pending, approved, rejected).
Supporting Documents: Option to upload receipts or other required documents.

6. Employee Directory:
Search Colleagues: An internal directory allowing employees to search for colleagues by name, department, or designation.
Contact Information: View contact details, including email, phone numbers, and office location.

7. Document Access:
Policy Documents: Access to company policies and other HR-related documents.

8. Personal Profile Management:
Update Profile: Employees can update their personal details, such as contact information, address, and emergency contacts.
View Employment Details: Overview of their employment details, such as hire date, designation, and department.

This app aims to improve employee engagement, reduce HR overhead, and make daily work processes more efficient and transparent for the entire workforce.