Final answer:
Jhumpa Lahiri is the author of the shorter selections that address issues of the Indian diaspora.
Step-by-step explanation:
The author of the shorter selections that address issues of the Indian diaspora is Jhumpa Lahiri, option a) of the given choices. Jhumpa Lahiri is known for her works that focus on the experiences of Indian immigrants and their families living abroad. One example of her work is the collection of short stories titled 'Interpreter of Maladies.'