But I didn't expect that there are certain selections of meals that were meant to a certain type of Indians.

No wonder some Indians are not used to eating biriyani while plenty of them eat the fish-and-rice-and-spices meal.

Does it mean that biriyani is specially cooked for a 'higher degree' types of people in India?

"Everything in this book may be wrong." Illusions: The Adventures of The Reluctant Messiah by Richard Bach