A study to evaluate the effectiveness of the planned teaching program on knowledge regarding maintenance of menstrual hygiene among adolescent girls in a selected high school of Kashmir was conducted by Noor-ul-Nisa in partial fulfillment of requirement for the degree of Master of Nursing at Mader-e-Meharban institute of Nursing sciences and Research, SKIMS, Soura. Srinagar. The main objectives of the study were to assess the existing knowledge of Adolescent Girls regarding maintenance of menstrual hygiene. To develop planned teaching program on knowledge regarding maintenance of menstrual hygiene. To assess the knowledge gain after implementation of planned teaching program (PTP). To find the association between the pre- test knowledge scores and the selected demographic variable of adolescent girls.