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 $leaderboard =  DB::table('user_p_n_r_submissions')
            ->selectRaw('user_id,  CAST(SUM(user_point) as SIGNED ) as total_point',)
            ->where('status', PNRStatusEnum::VALID)
            ->whereBetween(DB::raw('DATE(created_at)'), array($from, $to))
            ->groupBy('user_id')
            ->orderBy('total_point', 'DESC')
            ->limit(50)
            ->get();