Answer by samzna for Laravel Eloquent "WHERE NOT IN"

Query Builder:

    DB::table('book_mast')->select('book_name','dt_of_pub','pub_lang','no_page','book_price')    ->whereNotIn('book_price', [100,200])->get();

Eloquent:

BookMast::select('book_name','dt_of_pub','pub_lang','no_page','book_price')->whereNotIn('book_price', [100,200])->get();