diff --git a/app/Http/Controllers/UserController.php b/app/Http/Controllers/UserController.php
index 2e0542f..8e08c8a 100755
--- a/app/Http/Controllers/UserController.php
+++ b/app/Http/Controllers/UserController.php
@@ -10,12 +10,13 @@ use App\Traits\Helper;
 use Illuminate\Http\Request;
 use Illuminate\Http\Response;
 use Illuminate\Support\Facades\Date;
-use Illuminate\Support\Facades\Mail;
+use Illuminate\Support\Facades\File;
 
 class UserController extends Controller
 {
     use ApiResponser;
     use Helper;
+
     /**
      * Create a new controller instance.
      *
@@ -33,22 +34,45 @@ class UserController extends Controller
         $this->validate($request, $identification->rules());
 
         $dbIdentification = Identification::where('id_user', $request->id_user)->first();
-        if($dbIdentification)
+        if ($dbIdentification)
             return $this->errorResponse(trans('errors.identification_carried_out'));
 
-        if($request->has('id_user'))
+        if ($request->has('id_user'))
             $user = User::findOrFail($request->id_user);
         elseif ($request->has('phone_number'))
-            $user = User::where('phone',$request->phone_number)->firstOrFail();
+            $user = User::where('phone', $request->phone_number)->firstOrFail();
 
         $identification->fill($request->all());
         $identification->id_user = $user->id;
         $identification->status = 0;
 
         $identification->save();
-        $this->sendMail($user->email,trans('messages.successful_identification'),
-            trans('messages.successful_identification_message',['name'=>$identification->lastname.' '.$identification->firstname]));
-        return $this->successResponse(trans('messages.successful_identification',['name'=>$identification->lastname.' '.$identification->firstname]));
+        $this->sendMail($user->email, trans('messages.successful_identification'),
+            trans('messages.successful_identification_message', ['name' => $identification->lastname . ' ' . $identification->firstname]));
+        return $this->successResponse(trans('messages.successful_identification', ['name' => $identification->lastname . ' ' . $identification->firstname]));
+    }
+
+    public function updateIdentification(Request $request)
+    {
+
+        $identification = Identification::findOrFail($request->id);
+
+        $identification->fill($request->all());
+        $identification->status = 0;
+
+        $this->deleteImageFile($identification->user_image, "photos");
+        $this->deleteImageFile($identification->document_image_front, "documents");
+        $this->deleteImageFile($identification->document_image_back, "documents");
+
+
+        $identification->user_image = '';
+        $identification->document_image_front = '';
+        $identification->document_image_back = '';
+        $identification->save();
+
+        $this->sendMail($identification->user->email, trans('messages.successful_identification_modification'),
+            trans('messages.successful_identification_modification_message', ['name' => $identification->lastname . ' ' . $identification->firstname]));
+        return $this->successResponse(trans('messages.successful_identification_modification', ['name' => $identification->lastname . ' ' . $identification->firstname]));
     }
 
     public function validateIdentification(Request $request, $id_identification)
@@ -64,14 +88,14 @@ class UserController extends Controller
             'user_image' => 'required|image|mimes:jpeg,png,jpg,gif,svg|max:6048',
         ]);
 
-        $identification->document_image_front = $this->uploadImage($request,'document_image_front','D-F',"documents");
-        $identification->document_image_back = $this->uploadImage($request,'document_image_back','D-B',"documents");
-        $identification->user_image = $this->uploadImage($request,'user_image','U',"photos");
+        $identification->document_image_front = $this->uploadImage($request, 'document_image_front', 'D-F', "documents");
+        $identification->document_image_back = $this->uploadImage($request, 'document_image_back', 'D-B', "documents");
+        $identification->user_image = $this->uploadImage($request, 'user_image', 'U', "photos");
 
         $identification->status = 1;
 
         $identification->save();
-        $this->sendMail($identification->user->email,trans('messages.validated_identification'),trans('messages.validated_identification_message'));
+        $this->sendMail($identification->user->email, trans('messages.validated_identification'), trans('messages.validated_identification_message'));
         return $this->successResponse(trans('messages.validated_identification'));
     }
 
@@ -79,18 +103,18 @@ class UserController extends Controller
     {
 //        return Identification::where('id_user', $id_user)->firstOrFail();
         $user = User::where('phone', $user_phone)->first();
-        if($user){
+        if ($user) {
             $identification = Identification::where('id_user', $user->id)->first();
             $data['isIdentified'] = false;
             $data['isIdentifiedValidated'] = false;
             $data['data'] = $identification;
-            if($identification){
+            if ($identification) {
                 $data['isIdentified'] = true;
-                $data['isIdentifiedValidated'] = $identification->status == 1 ;
+                $data['isIdentifiedValidated'] = $identification->status == 1;
             }
             return $this->successResponse($data);
-        }else{
-            return $this->errorResponse(trans('errors.user_phone_not_exist'),Response::HTTP_NOT_FOUND);
+        } else {
+            return $this->errorResponse(trans('errors.user_phone_not_exist'), Response::HTTP_NOT_FOUND);
         }
 
     }
@@ -98,14 +122,14 @@ class UserController extends Controller
     public function verifyIdentification($user_phone)
     {
         $user = User::where('phone', $user_phone)->first();
-        if($user){
+        if ($user) {
             $identification = Identification::where('id_user', $user->id)->first();
-            if($identification){
+            if ($identification) {
                 return $this->errorResponse(trans('messages.user_identificated'));
-            }else
+            } else
                 return $this->successResponse($user);
-        }else{
-            return $this->errorResponse(trans('errors.user_phone_not_exist'),Response::HTTP_NOT_FOUND);
+        } else {
+            return $this->errorResponse(trans('errors.user_phone_not_exist'), Response::HTTP_NOT_FOUND);
         }
 
     }
@@ -121,11 +145,12 @@ class UserController extends Controller
         return $randomString;
     }
 
-    public function rattachCard(Request $request , $id_user){
+    public function rattachCard(Request $request, $id_user)
+    {
         $this->validate($request, [
 //            'id_user' => 'required|integer|min:0|not_in:0',
-            'numero_carte'=>'required',
-            'expiration_date'=>'required_if:facade,front|date_format:m/y|after_or_equal:today',
+            'numero_carte' => 'required',
+            'expiration_date' => 'required_if:facade,front|date_format:m/y|after_or_equal:today',
         ]);
         $user = User::findOrFail($id_user);
         $user->numero_carte = $request->numero_carte;
@@ -137,32 +162,32 @@ class UserController extends Controller
         return $this->successResponse(trans('messages.successful_card_attachment'));
     }
 
-    public function uploadImage(Request $request , $key , $imageCode, $folderName)
+    public function uploadImage(Request $request, $key, $imageCode, $folderName)
     {
 
 //        if ($request->hasFile('image')) {
-            $original_filename = $request->file($key)->getClientOriginalName();
-            $original_filename_arr = explode('.', $original_filename);
-            $file_ext = end($original_filename_arr);
-            $image = $imageCode.'-' . time() . '.' . $file_ext;
+        $original_filename = $request->file($key)->getClientOriginalName();
+        $original_filename_arr = explode('.', $original_filename);
+        $file_ext = end($original_filename_arr);
+        $image = $imageCode . '-' . time() . '.' . $file_ext;
 
-            //Check if the directory already exists.
-            $directoryName = './'.$folderName;
-            if(!is_dir($directoryName)){
-                //Directory does not exist, so lets create it.
-                mkdir($directoryName, 0755);
-            }
+        //Check if the directory already exists.
+        $directoryName = './' . $folderName;
+        if (!is_dir($directoryName)) {
+            //Directory does not exist, so lets create it.
+            mkdir($directoryName, 0755);
+        }
 
-            // Allow certain file formats
+        // Allow certain file formats
 //            $allowTypes = array('jpg', 'png', 'jpeg', 'gif');
 //            if (in_array(strtolower($file_ext), $allowTypes)) {
 
-                $compressedImage = $this->compressImage($request->file($key), './'.$folderName.'/' . $image, 70);
-                if ($compressedImage) {
-                    return $image;
-                } else {
-                    return $this->errorResponse(trans('errors.compression_failed'));
-                }
+        $compressedImage = $this->compressImage($request->file($key), './' . $folderName . '/' . $image, 70);
+        if ($compressedImage) {
+            return $image;
+        } else {
+            return $this->errorResponse(trans('errors.compression_failed'));
+        }
 //            } else {
 //                return $this->errorResponse('Sorry, only JPG, JPEG, PNG, & GIF files are allowed to upload.');
 //            }
@@ -173,6 +198,14 @@ class UserController extends Controller
 
     }
 
+    private function deleteImageFile($filename, $folderName)
+    {
+//        unlink(storage_path('./'.$folderName.'/' . $filename));
+        $path = './' . $folderName . '/' . $filename;
+        if (File::exists($path))
+            File::delete($path);
+    }
+
     /*
      * Custom function to compress image size and
      * upload to the server using PHP
diff --git a/app/Models/User.php b/app/Models/User.php
index 9f7161e..63f3785 100755
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -31,6 +31,7 @@ use Illuminate\Database\Eloquent\Model;
  * @property Carbon $date_modified
  * @property Carbon $date_created
  * @property int $network_id
+ * @property int $group_id
  *
  * @property Collection|Identification[] $identifications
  * @property Collection|WalletsUser[] $wallets_users
@@ -45,7 +46,8 @@ class User extends Model
     protected $casts = [
         'solde' => 'float',
         'active' => 'int',
-        'network_id' => 'int'
+        'network_id' => 'int',
+        'group_id' => 'int'
     ];
 
     protected $dates = [
diff --git a/resources/lang/en/errors.php b/resources/lang/en/errors.php
index a0407cd..178c0af 100755
--- a/resources/lang/en/errors.php
+++ b/resources/lang/en/errors.php
@@ -17,12 +17,18 @@ return [
     'transaction_not_exist' => 'This transaction does not exist',
     'withdrawal_already_made' => 'Withdrawal already made',
     'invalid_withdrawal_code' => 'Invalid withdrawal code',
-    'incorrect_withdrawal_amount'=> 'Incorrect withdrawal amount',
+    'incorrect_withdrawal_amount' => 'Incorrect withdrawal amount',
     'operation_cannot_performed_in_country' => 'This operation cannot be performed in this country',
     'withdrawal_network_unauthorized' => 'This withdrawal cannot be made in this network.
 Paying network : :network :country',
     'user_identification_required' => 'User identification is required to continue the operation',
     'validation_user_identification_required' => 'Validation of user identification is required to continue the operation',
     'incorrect_net_amount' => 'Net amount is less than zero',
-    'agent_unauthorized'=> 'This agent cannot make this withdrawal'
+    'agent_unauthorized' => 'This agent cannot make this withdrawal',
+    'sponsor_identification_required' => 'Sponsor :id identification is required to continue the operation',
+    'validation_sponsor_identification_required' => 'Validation of sponsor :id identification is required to continue the operation',
+    'not_group_sponsor' => 'You are not a sponsor of this group',
+    'group_already_activated' => 'This group is already activated',
+    'sponsor_belongs_to_group' => 'Sponsor :id already belongs to a group',
+    'treated_group_demand' => 'Group validation request already processed',
 ];
diff --git a/resources/lang/en/messages.php b/resources/lang/en/messages.php
index ee7ee81..b5c20d7 100755
--- a/resources/lang/en/messages.php
+++ b/resources/lang/en/messages.php
@@ -131,7 +131,7 @@ Transaction information :
    - User code : :sender_code
    - Card number : :cart_number
    - Withdrawal code : :code',
-    'successful_agent_remove_cash'=>'Withdrawal of money from a geolocated agent
+    'successful_agent_remove_cash' => 'Withdrawal of money from a geolocated agent
 Transaction information :
    - Number : :id_transaction
    - Country of departure : :init_country
@@ -141,4 +141,14 @@ Transaction information :
    - Withdrawal amount : :amount
    - Withdrawal transaction number : :id_transaction_retrait
    - Withdrawal code : :code',
+
+    'successful_user_group_created' => 'The group was created successfully. Awaiting validation from the 3 sponsors to activate it',
+    'successful_group_validation' => 'Group validation successful. Only :count validation remaining|Group validation successful. Only :count validations remaining',
+    'successful_identification_modification' => 'Successful identification modification',
+    'successful_identification_modification_message' => 'Hi :name,
+
+Your new identification has been taken into account. Contact an iLink World agent with your ID to validate your identity.
+
+Regards,
+iLinkWorld team.',
 ];
diff --git a/resources/lang/fr/errors.php b/resources/lang/fr/errors.php
index f7482e3..7346ef0 100755
--- a/resources/lang/fr/errors.php
+++ b/resources/lang/fr/errors.php
@@ -17,12 +17,18 @@ return [
     'transaction_not_exist' => 'Cette transaction n\'existe pas',
     'withdrawal_already_made' => 'Retrait déjà éffectué',
     'invalid_withdrawal_code' => 'Code de retrait invalide',
-    'incorrect_withdrawal_amount'=> 'Montant de retrait incorrect',
+    'incorrect_withdrawal_amount' => 'Montant de retrait incorrect',
     'operation_cannot_performed_in_country' => 'Cette operation ne peut pas etre effectuée dans ce pays',
     'withdrawal_network_unauthorized' => 'Ce retrait ne peut etre effectué dans ce reseau.
 Réseau payeur : :network :country',
     'user_identification_required' => 'L\'identification de l\'utilisateur est requise pour continuer l\'operation',
     'validation_user_identification_required' => 'La validation de l\'identification de l\'utilisateur est requise pour continuer l\'operation',
     'incorrect_net_amount' => 'Le montant net est inférieur à zéro',
-    'agent_unauthorized'=> 'Cet agent ne peut pas effectuer ce retrait',
+    'agent_unauthorized' => 'Cet agent ne peut pas effectuer ce retrait',
+    'sponsor_identification_required' => 'L\'identification du sponsor :id est requise pour continuer l\'operation',
+    'validation_sponsor_identification_required' => 'La validation de l\'identification du sponsor :id est requise pour continuer l\'operation',
+    'not_group_sponsor' => 'Vous n\'êtes pas un sponsor de ce groupe',
+    'group_already_activated' => 'Ce groupe est déjà activé',
+    'sponsor_belongs_to_group' => 'Sponsor :id appartient déjà à un groupe',
+    'treated_group_demand' => 'Demande de validation de groupe déjà traitée',
 ];
diff --git a/resources/lang/fr/messages.php b/resources/lang/fr/messages.php
index 6d62486..a740c6d 100755
--- a/resources/lang/fr/messages.php
+++ b/resources/lang/fr/messages.php
@@ -131,7 +131,7 @@ Informations de la transaction :
   - Code utilisateur : :sender_code
   - Numero de la carte : :cart_number
   - Code de retrait : :code',
-    'successful_agent_remove_cash'=>'Retrait d\'argent chez un agent géolocalisé
+    'successful_agent_remove_cash' => 'Retrait d\'argent chez un agent géolocalisé
 Informations de la transaction :
   - Numéro : :id_transaction
   - Pays de départ : :init_country
@@ -140,5 +140,15 @@ Informations de la transaction :
   - Noms du destinataire : :receiver_name
   - Montant de retrait  : :amount
   - Numero de transaction de retrait : :id_transaction_retrait
-  - Code de retrait : :code'
+  - Code de retrait : :code',
+
+    'successful_user_group_created' => 'Le groupe a été crée avec succes. En attente de validation des 3 sponsors pour l\'activer',
+    'successful_group_validation' => 'Validation du groupe réussie. Plus que :count validation restante|Validation du groupe réussie. Plus que :count validations restantes',
+    'successful_identification_modification' => 'Modification de l\'identification réussie',
+    'successful_identification_modification_message' => 'Salut :name,
+
+Votre nouvelle identification a bien été bien prise en compte. Rapprochez vous auprès d\'un agent iLink World muni de votre pièce d\'identité pour faire valider de votre identité.
+
+Cordialement,
+Equipe iLinkWorld.',
 ];
diff --git a/routes/web.php b/routes/web.php
index c634693..39e72a3 100755
--- a/routes/web.php
+++ b/routes/web.php
@@ -60,11 +60,17 @@ $router->group(['prefix' => '/wallets'] , function () use ($router){
 });
 
 // Idendification routes
-$router->group(['prefix' => '/identifications'] , function () use ($router){
-    $router->post('','UserController@identification');
-    $router->post('{id_identification}','UserController@validateIdentification');
-    $router->get('{user_phone}','UserController@fetchIdentification');
-    $router->get('verify/{user_phone}','UserController@verifyIdentification');
+$router->group(['prefix' => '/identifications'], function () use ($router) {
+    $router->post('', 'UserController@identification');
+    $router->put('', 'UserController@updateIdentification');
+    $router->post('{id_identification}', 'UserController@validateIdentification');
+    $router->get('{user_phone}', 'UserController@fetchIdentification');
+    $router->get('verify/{user_phone}', 'UserController@verifyIdentification');
     $router->post('rattach_card/{id_user}', 'UserController@rattachCard');
 });
 
+// Users groups routes
+$router->group(['prefix' => '/groups'], function () use ($router) {
+    $router->post('', 'NanoCreditController@createGroup');
+    $router->put('', 'NanoCreditController@validateGroup');
+});