You can do following.
DB::table('book_mast') ->selectRaw('book_name,dt_of_pub,pub_lang,no_page,book_price') ->whereNotIn('book_price',[100,200]);
You can do following.
DB::table('book_mast') ->selectRaw('book_name,dt_of_pub,pub_lang,no_page,book_price') ->whereNotIn('book_price',[100,200]);