She was fluent in several languages, including Russian and French, and served on the Western Front of World War I, where she opened the Red Cross hospital.

Having graduated from the Transcaucasian Female College with a gold medal in 1889, she became the first Azerbaijani woman to obtain a higher education.

On October 27, 1909 she married Colonel and eminent Azerbaijani commander Aliagha Shikhlinski and the couple returned to Tsarskoye Selo.

On March 10, 1920 Shikhlinski as Deputy Defense Minister of Azerbaijan Democratic Republic founded the Azerbaijani Red Crescent Society, with Nigar becoming the pioneer nurse there.

In his article "The Life of General Ali Agha Shikhlinski" Lieutenant Colonel and senior scientific employee Shamistan Nazirli of the Azerbaijani Defense Ministry included a photo, made early in the 20th century, where she is said to be with a son.