Objective:To  assess the  perception  about   and  practices  during about  menstruation among school  going  adolescent girls  of  Harwan Zone, Block  Hazratbal. Design :It   was a Community based   Crossectional study .Study area  included all the  government schools of the area.Methodology :Interview  of  the  adolescent girls  who had  attained  menarche and  who were  willing to participate in the  study  was done  based  on predesigned   close  ended  questionnaire. The questionnaire was  self  administered to  all the girls. Analyses  was done by IBM  SPSS Statistics 23. Mean age  of  menarche was 12.46  with SD 3.068. Results : Majority of the girls  (53.3%) were  scared  at  the  time of menarche. Mostly, the   source  of  information  about  menstruation  was   mother.(55.5%).73.3%  of  the  girls consider it  as  a  natural process. Restriction of  activity  was  found in 51.1%  of respondents with absenteeism  from  school in 28.9%. Restriction  of  sour  and cold  food  was found in 20%  and 17.8% of  the girls respectively. Majority (77.8%)  used  to  discuss  about menstruation with  their  mother.99.1%  had  the  habit  of  using  pads.Regarding cleaning  of  genitalia, 33.3%  used  water, 44.4%  used  both  water  and soap  and 11.1%  used  water  and  antiseptic. Health Seeking  behaviour  among these girls  was  only 4.4% Recommendation:  Our   study  emphasizes  on increasing  awareness about  every  aspect of menstruation  among adolescent  girls before menarche . School  can  serve  as  a platform wherein girls can  be  educated  and counselled  about various issues and  their  concerns. Inter sectoral  coordination with health  and   ICDS,  Anganwadi centres is needed  for increasing awareness, coverage  of  services and  health seeking behaviour.