diff --git a/backend/src/modules/auditLogs/auditLog.interface.ts b/backend/src/modules/auditLogs/auditLog.interface.ts
new file mode 100644
index 0000000..d9bfef0
--- /dev/null
+++ b/backend/src/modules/auditLogs/auditLog.interface.ts
@@ -0,0 +1,48 @@
+import { ObjectId } from "mongoose";
+
+export interface IAuditLog {
+
+    _id?: ObjectId;
+
+    userId: ObjectId;
+
+    module:
+        | "User"
+        | "Role"
+        | "FuelRequest"
+        | "Approval"
+        | "ExternalInvoice"
+        | "LPG"
+        | "PumpReading"
+        | "FuelPump"
+        | "FuelPrice"
+        | "FuelType"
+        | "VehicleConfig"
+        | "VehicleAssignment"
+        | "Dashboard"
+        | "Report"
+        | "Authentication";
+
+    action:
+        | "CREATE"
+        | "UPDATE"
+        | "DELETE"
+        | "APPROVE"
+        | "REJECT"
+        | "LOGIN"
+        | "LOGOUT"
+        | "CLOSE";
+
+    recordId?: ObjectId;
+
+    description: string;
+
+    ipAddress?: string;
+
+    status:
+        | "EXITOSO"
+        | "FALLIDO";
+
+    createdAt?: Date;
+
+}
\ No newline at end of file
diff --git a/backend/src/modules/auditLogs/auditLog.model.ts b/backend/src/modules/auditLogs/auditLog.model.ts
new file mode 100644
index 0000000..a15842e
--- /dev/null
+++ b/backend/src/modules/auditLogs/auditLog.model.ts
@@ -0,0 +1,135 @@
+import mongoose from "mongoose";
+
+const auditLogSchema = new mongoose.Schema(
+
+    {
+
+        userId: {
+
+            type: mongoose.Schema.Types.ObjectId,
+
+            ref: "User"
+
+        },
+
+        module: {
+
+            type: String,
+
+            required: true,
+
+            enum: [
+
+                "User",
+
+                "Role",
+
+                "FuelRequest",
+
+                "Approval",
+
+                "ExternalInvoice",
+
+                "LPG",
+
+                "PumpReading",
+
+                "FuelPump",
+
+                "FuelPrice",
+
+                "FuelType",
+
+                "VehicleConfig",
+
+                "VehicleAssignment",
+
+                "Dashboard",
+
+                "Report",
+
+                "Authentication"
+
+            ]
+
+        },
+
+        action: {
+
+            type: String,
+
+            required: true,
+
+            enum: [
+
+                "CREATE",
+
+                "UPDATE",
+
+                "DELETE",
+
+                "APPROVE",
+
+                "REJECT",
+
+                "LOGIN",
+
+                "LOGOUT",
+
+                "CLOSE"
+
+            ]
+
+        },
+
+        recordId: {
+
+            type: mongoose.Schema.Types.ObjectId
+
+        },
+
+        description: {
+
+            type: String,
+
+            required: true
+
+        },
+
+        ipAddress: {
+
+            type: String
+
+        },
+
+        status: {
+
+            type: String,
+
+            required: true,
+
+            enum: [
+
+                "SUCCESS",
+
+                "FAILED"
+
+            ],
+
+            default: "SUCCESS"
+
+        }
+
+    },
+
+    {
+
+        timestamps: true,
+
+        versionKey: false
+
+    }
+
+);
+
+export default mongoose.model("AuditLog", auditLogSchema);
\ No newline at end of file
diff --git a/backend/src/modules/auditLogs/auditLog.service.ts b/backend/src/modules/auditLogs/auditLog.service.ts
new file mode 100644
index 0000000..e69de29
diff --git a/backend/src/modules/roles/role.controller.ts b/backend/src/modules/roles/role.controller.ts
index 7646a6c..2dab603 100644
--- a/backend/src/modules/roles/role.controller.ts
+++ b/backend/src/modules/roles/role.controller.ts
@@ -10,9 +10,38 @@ export class RoleController {
         req:Request,
         res:Response
     ){
-        const roles = 
-        await roleService.getAll();
+        try{
+        const roles = await roleService.getAll();
+
         res.json(roles);
+
+        } catch(error){
+            res.status(500).json({
+                message:"Error al obtener roles",
+                error
+            })
+
+        }
+    }
+
+    async getById(
+        req:Request,
+        res:Response
+    ){
+        try{
+        const role = await roleService.getById(
+            req.params.id as string
+        );
+        res.json(role);
+    
+        }catch(error){
+            res.status(500).json({
+                message:"Error al obtener roles",
+                error
+            })
+
+        }
+
     }
 
     async create(
@@ -20,11 +49,73 @@ export class RoleController {
         req:Request,
         res:Response
     ){
-        const role =
-        await roleService.create(
-            req.body
-        );
+        try
+        {
+            const role = await roleService.create(
+                req.body
+            );
 
-        res.status(201).json(role);
+            res.status(201).json(role);
+
+        } catch(error){
+            res.status(500).json({
+                message:"Error al crear role"
+            });
+
+        }
+    }
+
+    async update(
+        
+        req:Request,
+        res:Response
+    ){
+        try
+            {
+                const role = await roleService.update(
+                req.params.id as string,
+                req.body
+            )
+
+            if(!role){
+                return res.status(404).json({
+                    message:"Rol no encontrado"
+                });
+            }
+
+            res.status(200).json(role);
+        } catch(error) {
+            res.status(500).json({
+                message:"Error al actualizar rol"
+            });
+
+        }
+    }
+
+    async delete (
+        req:Request,
+        res:Response
+    ){
+        try{
+            const role = await roleService.delete(
+                req.params.id as string
+            )
+
+            if(!role){
+                return res.status(404).json({
+                    message:"Role no encontrado"
+                });
+            }
+            res.json({
+                message:"Rol eliminado correctamente"
+            });
+
+        }catch(error){
+            res.status(500).json({
+                message:"Error al eliminar rol",
+                error
+            });
+
+        }
     }
 }
\ No newline at end of file
diff --git a/backend/src/modules/roles/role.interface.ts b/backend/src/modules/roles/role.interface.ts
index 02000ab..9ecd8b2 100644
--- a/backend/src/modules/roles/role.interface.ts
+++ b/backend/src/modules/roles/role.interface.ts
@@ -1,6 +1,8 @@
 export interface IRole {
 
-    roleName:string;
-    description:string;
-    active:boolean;
+    roleName: string;
+
+    description: string;
+
+    active: boolean;
 }
\ No newline at end of file
diff --git a/backend/src/modules/roles/role.routes.ts b/backend/src/modules/roles/role.routes.ts
index 7253994..56ad24d 100644
--- a/backend/src/modules/roles/role.routes.ts
+++ b/backend/src/modules/roles/role.routes.ts
@@ -1,13 +1,19 @@
 import { Router } from "express";
-
 import { RoleController } from "./role.controller";
+import { authMiddleware } from "../auth/auth.middleware";
 
 const roleRouter = Router();
 
 const controller = new RoleController();
 
-roleRouter.get("/", controller.getAll);
+roleRouter.get("/", authMiddleware, controller.getAll);
 
-roleRouter.post("/", controller.create);
+roleRouter.get("/:id", authMiddleware, controller.getById);
 
-export default roleRouter ;
\ No newline at end of file
+roleRouter.post("/", authMiddleware, controller.create);
+
+roleRouter.put("/:id", authMiddleware, controller.update);
+
+roleRouter.delete("/:id", authMiddleware, controller.delete);
+
+export default roleRouter;
\ No newline at end of file
diff --git a/backend/src/modules/roles/role.service.ts b/backend/src/modules/roles/role.service.ts
index f36586f..b8e0df2 100644
--- a/backend/src/modules/roles/role.service.ts
+++ b/backend/src/modules/roles/role.service.ts
@@ -1,4 +1,5 @@
 import roleModel from "./role.model";
+import { IRole } from "./role.interface";
 
 export class RoleService {
     async getAll() {
@@ -6,7 +7,34 @@ export class RoleService {
         return await roleModel.find();
     }
 
-    async create(data:any) {
+    async getById(
+        id:string
+    ){
+        return await roleModel.findById(id);
+    }
+
+    async create(
+        data:IRole
+    ) {
         return await roleModel.create(data);
     }
+
+    async update(
+        id:string,
+        data:Partial<IRole>
+    ){
+        return await roleModel.findByIdAndUpdate(
+            id,
+            data,
+            {
+                new:true
+            }
+        )
+    }
+
+    async delete(
+        id:string
+    ){
+        return await roleModel.findByIdAndDelete(id)
+    }
 }
\ No newline at end of file