Who was the first Indian to become Miss World?

Priyanka Chopra won the title of Miss World in the year 2000 (she was 18 years old at that time)

Reita Faria won the title of Miss World in the year 1966 (she was 23 years old at that time). She was the first Indian to win this title.

Sushmita Sen won the title of Miss Universe in the year 1994 (she was 18 years old at that time). She was the first Indian to win this title.

Manushi Chhillar won the title of Miss World in the year 2017 (she was 20 years old at that time.)

Hence, the correct option is B: i.e. Reita Faria.