In this form Durga is two-armed and carries a rosary and sacred water pot (Kamandalu). She is in a highly pious and peaceful form or is in meditation. This form of Durga is related to the severe penance undertaken by Sati and Parvati in their respective births to attain Lord Shiva as husband. Some of the most important Vratas observed in different parts of India by women is based on the strict austerities followed by Brahmacharini. She is also known as Tapasyacharini and is worshipped on the second day of Navrathri.
The most importand quality of Mata Bramacharini is disciplin. If you pray to her, she will help!