The author's claim in paragraph 11 of "An Indian Father's Plea" is to emphasize that his son is not culturally "disadvantaged" but rather culturally "different."
"An Indian Father's Plea" is a heartfelt essay about a father's plea for his daughter to embrace her Indian heritage and cultural roots.
In paragraph 11 of the story, he mention that his son's life is deeply rooted in their family's culture. The author supports this claim by using the phrase, "He is not culturally 'disadvantaged,' but he is culturally 'different'" which oppose the perception of his son's cultural identity with that of being disadvantaged.
This statement shows the author's intent to assert the uniqueness and importance of his son's cultural heritage and this emphasizes that it sets him apart from others in a positive and distinctive way.