She was accused of sending nasty emails to her teacher but was later cleared of wrongdoing. The US says the Indian Consulate General in New York asserted in a Feb. 9 diplomatic note that Biswas' arrest was a violation of the Vienna Convention.

The US sympathized with Biswas but said diplomats' relatives don't have immunity. The Indian Embassy lodged a separate protest in April. The city has declined to comment on Biswas' $1.5 million lawsuit. She's the daughter of Debashish Biswas, vice consul at the Consulate General of India in New York.