This is a web application designed to manage telecom mobility customers. It provides functionalities for registering new customers, choosing plans, renewing plans, upgrading/downgrading plans, and displaying customer details in a table.

• Backend: Node.js with Express for REST APIs
• Database: MongoDB

1. Clone this repository:

   git clone 

• URL: /api/customers/register

• Method: POST

• Request Body:

  jsonCopy code

  { "name": "Customer Name", "dob": "YYYY-MM-DD", "email": "[email protected]", "adharNumber": "123456789012", "assignedMobileNumber": "1234567890", "plan": { "name": "Plan Name", "cost": 499, "validity": 365, "status": "Active" } }

• Response: Newly registered customer object

• URL: /api/customers/choose-plan

• Method: POST

• Request Body:

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  { "customerId": "customer_id", "plan": { "name": "New Plan Name", "cost": 299, "validity": 180, "status": "Active" } }

• Response: Updated customer object with the new plan

• URL: /api/customers/renew-plan

• Method: POST

• Request Body:

  jsonCopy code

  { "customerId": "customer_id", "renewalDate": "YYYY-MM-DD", "planStatus": "Active" }

• Response: Updated customer object with renewed plan details

• URL: /api/customers/change-plan

• Method: POST

• Request Body:

  jsonCopy code

  { "customerId": "customer_id", "newPlan": { "name": "New Plan Name", "cost": 199, "validity": 90, "status": "Active" } }

• Response: Updated customer object with the new plan

• URL: /api/customers
• Method: GET
• Response: Array of customer objects