There are four smaller rooms in the corners of first floor which were Zenana Quarters. She was commissioned by the Church of England Zenana Mission. The mosque was also used by the ladies of the Zenana. The "Mumtaz Mahal" was part of the Zenana. She also built a hospital for women, Faizunnesa Zenana Hospital in Comilla. An adjoining zenana is in a state of ruin. Kinnaird was established in 1913 by the Zenana Bible and Medical Mission. In other words, a women's quarters, similar to the Indian and Muslim zenana. Early endeavors also included medical work, schools, care of orphans, and zenana work. Tyabji was also active in women's emancipation and worked to weaken the zenana system. The Zenana (residence of royal ladies chambers) adjoins the palace. It has the same meaning as the Turkish word "seraglio" and the Persian word "zenana". Shahjahan built a baradari of black marble, called the Black Pavilion in the zenana garden. In the zenana (women's quarters), various rooms offer different themes. The fourth courtyard is where the Zenana (Royal family women, including concubines or mistresses) lived.