Hi Pratibha,
This is a well crafted, wonderful story. The tone is frightened and frustrated. It captures the reader's attention right away. The reader wants the protagonist to sort out what is frightening her. The plot is straight forward and moves along logically. The conflict is well defined. There is no doubt as to what is going on here. The characterization is full and believable. The protagonist comes across as a real person. The dialogue is well done and realistic. The characters speak like real people. The description is strong and vivid. It puts the reader all the way into the story. The story is well structured and consistent in terms of point of view and tense. Great job.