The sentence "Dev patel stars in the new movie the lion" contains capitalization errors. The names 'Dev Patel' and the movie title 'The Lion' should be capitalized.
The sentence with errors in capitalization is: Dev patel stars in the new movie the lion.
Capitalization rules in English require that proper nouns, including names of people and titles of works, begin with a capital letter.
Therefore, the correct capitalization should be Dev Patel for the actor's name, and The Lion should be capitalized as it is the title of a movie. The title should also be italicized or underlined, depending on the formatting style being used.
The corrected sentence is: Dev Patel stars in the new movie The Lion.