public function insert_customer(Request $request)
 {
     $cus = new Customer();
     $cus->cus_name = $request->input('name');
     $cus->nic = $request->input('nic');
     $cus->remarks = $request->input('remarks');
     $cus->phone = $request->input('phone');
     $cus->home = $request->input('home');
     $cus->address1 = $request->input('add1');
     $cus->address2 = $request->input('add2');
     $cus->address3 = $request->input('add3');
     $cus->email = $request->input('email');
     $cus->outstanding = $request->input('outstanding');
     $cus->outstanding_date = $request->input('odate');
     $cus->save();
 }