diff --git a/backend/src/modules/fuel-requests/fuelRequest.service.ts b/backend/src/modules/fuel-requests/fuelRequest.service.ts
index 0820054..b2b7420 100644
--- a/backend/src/modules/fuel-requests/fuelRequest.service.ts
+++ b/backend/src/modules/fuel-requests/fuelRequest.service.ts
@@ -3,6 +3,10 @@ import { IFuelRequest } from "./fuelRequest.interface";
 
 import { generateRequestNumber } from "../../utils/requestNumber";
 
+import vehiclesConfigModel from "../vehicles-config/vehiclesConfig.model";
+import anomalyModel from "../anomalies/anomaly.model";
+import { IAnomaly } from "../anomalies/anomaly.interface";
+
 export class FuelRequestService {
     //Obtener todas las requisiciones
 
@@ -98,4 +102,209 @@ export class FuelRequestService {
         return await fuelRequestModel
         .findByIdAndDelete(id);
     }
+
+    private async detectAnomalies(
+        fuelRequest:any
+    ){
+        await this.validateMileage(
+            fuelRequest
+        );
+
+        await this.validateFuelConsumption(
+            fuelRequest
+        );
+
+        await this.validateTankCapacity(
+            fuelRequest
+        );
+
+        await this.validatePreviousFuelRequest(
+            fuelRequest
+        );
+    }
+
+    private async validateMileage(
+        data:any
+    ){
+
+        //Kilometraje menor que el anterior
+        if (
+            data.currentMileage <
+            data.previousMileage
+        ){
+            await this.createAnomaly(
+                data,
+                "KILOMETRAJE FUERA DE RANGO",
+                "El kilometraje actual es menor que el anterior"
+            );
+        }
+
+        //Odomentro en mal estado
+        if(data.currentMileage === data.previousMileage){
+            await this.createAnomaly(
+                data,
+                "ODOMETRO EN MAL ESTADO",
+                "El kilometraje no cambió respecto al anterior"
+            );
+        }
+
+        //Diferencia mayor a 500km
+        if(data.distanceTraveled>500){
+            await this.createAnomaly(
+                data,
+                "KILOMETRAJE FUERA DE RANGO",
+                "La distancia recorrida supera los 500 kilometros"
+            );
+        }
+    }
+
+    
+    //Validar rendimiento de combustible
+    private async validateFuelConsumption(
+        data:any
+    ){
+        //Evitar división entre 0}
+        if(
+            data.gallonQuantity <=0
+        ){
+            return;
+        }
+
+        //Calcular distancia recorrida
+
+        const distance =
+        data.currentMileage - data.previousMileage;
+
+        //Calcular rendimiento
+
+        const performance =
+
+        distance/
+        data.gallonQuantity;
+
+        //Bajo rendimiento
+
+        if (performance < 10){
+            await this.createAnomaly(
+                data,
+                "RENDIMIENTO BAJO",
+                `El vehículo tiene un rendimiento de ${performance.toFixed(2)} km por galón.`
+            )
+        }
+    }
+
+    //Validar capacidad del tanque
+    private async validateTankCapacity(
+        data:any
+    ){
+        const vehicleConfig = await vehiclesConfigModel.findOne({
+            vehicleid:data.vehicleId
+        });
+
+        //Sino existe configuración no validar
+        if(!vehicleConfig){
+            return;
+        }
+
+        //Validar capacidad del tanque
+
+        if(
+            data.gallonQuantity >
+            vehicleConfig.tankcapacity
+        ){
+            await this.createAnomaly(
+                data,
+                "CONSUMO ELEVADO",
+                `Se solicitaron ${data.gallonQuantity} galones, pero la capacidad del tanque es de ${vehicleConfig.tankcapacity} galones.`
+            )
+        }
+    }
+
+    // Validar contra la carga anterior
+    
+    private async validatePreviousFuelRequest(
+        data:any
+    ) {
+
+        // Buscar la última requisición del vehículo
+        const previousRequest =
+            await fuelRequestModel
+                .findOne({
+
+                    vehicleId: data.vehicleId,
+
+                    _id: { $ne: data._id }
+
+                })
+                .sort({
+                    createdAt: -1
+                });
+
+        // Si no existe una carga anterior, salir
+        if (!previousRequest) {
+
+            return;
+
+        }
+
+        // Calcular diferencia de galones
+        const difference = Math.abs(
+
+            data.gallonQuantity -
+
+            previousRequest.gallonQuantity
+
+        );
+
+        // Si la diferencia es mayor a 5 galones
+        if (difference > 5) {
+
+            await this.createAnomaly(
+
+                data,
+
+                "CONSUMO ELEVADO",
+
+                `La carga actual difiere en ${difference} galones respecto a la carga anterior.`
+
+            );
+
+        }
+
+    }
+
+
+    //Crear anomalía
+    private async createAnomaly(
+
+        fuelRequest: any,
+
+        anomalyType: IAnomaly["anomalyType"],
+
+        description: string
+
+    ) {
+
+        return await anomalyModel.create({
+
+            vehicleId: fuelRequest.vehicleId,
+
+            employeeId: fuelRequest.employeeId,
+
+            fuelRequestId: fuelRequest._id,
+
+            anomalyType,
+
+            description,
+
+            detectedBy: "SISTEMA",
+
+            status: "ABIERTA",
+
+            comments:
+                "Anomalía generada automáticamente por el sistema."
+
+        });
+
+    }
 }
\ No newline at end of file
diff --git a/backend/src/modules/reports/report.controller.ts b/backend/src/modules/reports/report.controller.ts
new file mode 100644
index 0000000..4efda16
--- /dev/null
+++ b/backend/src/modules/reports/report.controller.ts
@@ -0,0 +1,252 @@
+import { Request, Response } from "express";
+import { ReportService } from "./report.service";
+
+const service = new ReportService();
+
+export class ReportController {
+
+    async getSummary(
+        req:Request,
+        res:Response
+    ){
+
+        try{
+
+            const summary = await service.getSummary();
+            res.json(summary);
+
+        }catch(error){
+            res.status(500).json({
+                message:"Error al obtener reportes",
+                error
+            });
+
+        }
+    }
+
+    // Reporte de Fuel Request
+    async getFuelRequestsReport(
+        req: Request,
+        res: Response
+    ) {
+
+        try {
+
+            const report =
+                await service.getFuelRequestReport();
+
+            res.status(200).json(report);
+
+        } catch (error) {
+
+            res.status(500).json({
+                message: "Error al generar el reporte de requisiciones.",
+                error
+            });
+
+        }
+
+    }
+
+
+    // Reporte de Facturas Externas
+    async getExternalInvoicesReport(
+        req: Request,
+        res: Response
+    ) {
+
+        try {
+
+            const report =
+                await service.getExternalInvoiceReport();
+
+            res.status(200).json(report);
+
+        } catch (error) {
+
+            res.status(500).json({
+                message: "Error al generar el reporte de facturas externas.",
+                error
+            });
+
+        }
+
+    }
+
+    // Reporte de LPG
+    async getLpgReport(
+        req: Request,
+        res: Response
+    ) {
+
+        try {
+
+            const report =
+                await service.getLpgReport();
+
+            res.status(200).json(report);
+
+        } catch (error) {
+
+            res.status(500).json({
+                message: "Error al generar el reporte de LPG.",
+                error
+            });
+
+        }
+
+    }
+
+    // Reporte de Anomalías
+    async getAnomaliesReport(
+        req: Request,
+        res: Response
+    ) {
+
+        try {
+
+            const report =
+                await service.getAnomaliesReport();
+
+            res.status(200).json(report);
+
+        } catch (error) {
+
+            res.status(500).json({
+                message: "Error al generar el reporte de anomalías.",
+                error
+            });
+
+        }
+
+    }
+
+    // Reporte de Lecturas de Bomba
+    async getPumpReadingsReport(
+        req: Request,
+        res: Response
+    ) {
+
+        try {
+
+            const report =
+                await service.getPumpReadingsReport();
+
+            res.status(200).json(report);
+
+        } catch (error) {
+
+            res.status(500).json({
+                message: "Error al generar el reporte de lecturas de bomba.",
+                error
+            });
+
+        }
+
+    }
+
+    // Reporte por Vehículo
+    async getVehicleReport(
+        req: Request,
+        res: Response
+    ) {
+
+        try {
+
+            const report =
+                await service.getVehicleReport(
+                    Number(req.params.vehicleId)
+                );
+
+            res.status(200).json(report);
+
+        } catch (error) {
+
+            res.status(500).json({
+                message: "Error al generar el reporte por vehículo.",
+                error
+            });
+
+        }
+
+    }
+
+    // Reporte por Empleado
+    async getEmployeeReport(
+        req: Request,
+        res: Response
+    ) {
+
+        try {
+
+            const report =
+                await service.getEmployeeReport(
+                    Number(req.params.employeeId)
+                );
+
+            res.status(200).json(report);
+
+        } catch (error) {
+
+            res.status(500).json({
+                message: "Error al generar el reporte por empleado.",
+                error
+            });
+
+        }
+
+    }
+
+    // Reporte por Departamento
+    async getDepartmentReport(
+        req: Request,
+        res: Response
+    ) {
+
+        try {
+
+            const report =
+                await service.getDepartmentReport(
+                    Number(req.params.departmentId)
+                );
+
+            res.status(200).json(report);
+
+        } catch (error) {
+
+            res.status(500).json({
+                message: "Error al generar el reporte por departamento.",
+                error
+            });
+
+        }
+
+    }
+
+    // Reporte por Ruta
+    async getRouteReport(
+        req: Request,
+        res: Response
+    ) {
+
+        try {
+
+            const report =
+                await service.getRouteReport(
+                    Number(req.params.routeId)
+                );
+
+            res.status(200).json(report);
+
+        } catch (error) {
+
+            res.status(500).json({
+                message: "Error al generar el reporte por ruta.",
+                error
+            });
+
+        }
+
+    }
+
+}
\ No newline at end of file
diff --git a/backend/src/modules/reports/report.routes.ts b/backend/src/modules/reports/report.routes.ts
new file mode 100644
index 0000000..7d3da8c
--- /dev/null
+++ b/backend/src/modules/reports/report.routes.ts
@@ -0,0 +1,29 @@
+import { Router } from "express";
+import { ReportController } from "./report.controller";
+import { authMiddleware } from "../auth/auth.middleware";
+
+const reportRouter = Router();
+const controller = new ReportController();
+
+
+reportRouter.get("/summary", authMiddleware, controller.getSummary);
+
+reportRouter.get("/fuel-request", authMiddleware, controller.getFuelRequestsReport);
+
+reportRouter.get("/external-invoice", authMiddleware, controller.getExternalInvoicesReport);
+
+reportRouter.get("/LPG", authMiddleware, controller.getLpgReport);
+
+reportRouter.get("/anomalies", authMiddleware, controller.getAnomaliesReport);
+
+reportRouter.get("/pump-readings", authMiddleware, controller.getPumpReadingsReport);
+
+reportRouter.get("/vehicle/:vehicleId", authMiddleware, controller.getVehicleReport);
+
+reportRouter.get("/employee/:employeeId", authMiddleware, controller.getEmployeeReport);
+
+reportRouter.get("/department/:departmentId", authMiddleware, controller.getDepartmentReport);
+
+reportRouter.get("/route/:routeId", authMiddleware, controller.getRouteReport);
+
+export default reportRouter;
\ No newline at end of file
diff --git a/backend/src/modules/reports/report.service.ts b/backend/src/modules/reports/report.service.ts
new file mode 100644
index 0000000..91b4ffb
--- /dev/null
+++ b/backend/src/modules/reports/report.service.ts
@@ -0,0 +1,198 @@
+import fuelRequestModel from "../fuel-requests/fuelRequest.model";
+import externalInvoiceModel from "../external-invoices/externalInvoice.model";
+import lpgModel from "../lpg/lpg.model";
+import approvalModel from "../approvals/approval.model";
+import anomalyModel from "../anomalies/anomaly.model";
+import pumpReadingModel from "../pump-reading/pumpReading.model";
+
+
+export class ReportService{
+
+    async getSummary(){
+        //Total de requisiciones
+        const fuelRequests = await fuelRequestModel.countDocuments();
+
+        //Total de facturas externas
+        const externalInvoices = await externalInvoiceModel.countDocuments();
+
+        //Total de requisiciones LPG
+        const lpgRequests = await lpgModel.countDocuments();
+
+        //Total de galones solicitados
+        const pendingApprovals = await approvalModel.countDocuments({
+            status:"PENDIENTE"
+        });
+
+        //Total de anomalías abiertas
+        const openAnomalies = await anomalyModel.countDocuments({
+            status:"ABIERTA"
+        })
+
+        //Tootal de lecturas de bomba
+        const pumpReadings = await pumpReadingModel.countDocuments();
+
+        const gallons = await fuelRequestModel.aggregate([
+            {
+                $group:{
+                    _id:null,
+                    totalGallons:{
+                        $sum: "$gallonQuantity"
+                    }
+                }
+            }
+        ]);
+
+        //Total invertido
+        const totalCost = await fuelRequestModel.aggregate([
+            {
+                $group:{
+                    _id:null,
+                    totalAmount:{
+                        $sum: "$totalAmount"
+                    }
+                }
+                
+            }
+        ]);
+
+        return{
+            fuelRequests,
+            externalInvoices,
+            lpgRequests,
+            pendingApprovals,
+            openAnomalies,
+            pumpReadings,
+
+            totalGallons:
+                gallons.length > 0
+                ? gallons[0].totalGallons
+                :0,
+
+            
+            totalCost:
+                totalCost.length > 0
+                ? totalCost[0].totalAmount
+                :0
+
+        }
+    }
+
+    async getFuelRequestReport(){
+
+        return await fuelRequestModel
+        .find()
+        .populate("fuelPumpId")
+        .populate("fuelTypeId")
+        .populate("createdBy")
+        .populate("authorizedBy")
+        .sort({
+            createdAt:-1
+        });
+    }
+
+    async getExternalInvoiceReport(){
+
+        return await externalInvoiceModel
+        .find()
+        .populate("fuelTypeId")
+        .populate("createdBy")
+        .populate("authorizedBy")
+        .sort({
+            invoiceDate:-1
+        });
+    }
+
+    async getLpgReport(){
+
+        return await lpgModel
+        .find()
+        .populate("requestedBy")
+        .populate("approvedBy")
+        .sort({
+            requestDate:-1
+        });
+    }
+
+    async getAnomaliesReport(){
+
+        return await anomalyModel
+        .find()
+        .populate("reportedBy")
+        .populate("resolvedBy")
+        .sort({
+            createdAt:-1
+        });
+    }
+
+    async getPumpReadingsReport(){
+
+        return await pumpReadingModel
+        .find()
+        .populate("fuelPumpId")
+        .populate("fuelTypeId")
+        .populate("createdBy")
+        .sort({
+            readingDate:-1
+        });
+    } 
+
+    async getVehicleReport(
+        vehicleId:number
+    ){
+
+        return await fuelRequestModel
+        .find({
+            vehicleId
+        })
+        .populate("fuelPumpId")
+        .populate("fuelTypeId")
+        .sort({
+            createdAt:-1
+        });
+    } 
+
+    async getEmployeeReport(
+        employeeId:number
+    ){
+
+        return await fuelRequestModel
+        .find({
+            employeeId
+        })
+        .populate("fuelPumpId")
+        .populate("fuelTypeId")
+        .sort({
+            createdAt:-1
+        });
+    } 
+
+    async getDepartmentReport(
+        departmentId:number
+    ){
+
+        return await fuelRequestModel
+        .find({
+            departmentId
+        })
+        .populate("fuelPumpId")
+        .populate("fuelTypeId")
+        .sort({
+            createdAt:-1
+        });
+    }
+    
+    async getRouteReport(
+        routeId:number
+    ){
+
+        return await fuelRequestModel
+        .find({
+            routeId
+        })
+        .populate("fuelPumpId")
+        .populate("fuelTypeId")
+        .sort({
+            createdAt:-1
+        });
+    }   
+}
\ No newline at end of file