Who is Amrita D. Luczak from Song of Kali and what is their importance?

Amrita D. Luczak New Delhi, India-born, Amrita emigrates at age seven to England. Her father is an engineer. She recalls visits to grimy Bombay with her mother and sisters. After coming to the U.S, Amrita translates at the United Nations. She and narrator Robert C. "Bobby" Luczak marry in 1969, while he is a struggling young writer.