Her sheer passion for teaching has made her to do something unusual that someone of her age would rarely think. She is Roshni Mukherjee who had a dream of becoming a teacher but never thought that she would become an Online Teacher and would be able to teach at a massive level. The untimely death of her father left her in dilemma so she had to join a job in a multinational company but becoming a teacher was always in her mind. After completing her Master’s degree in Physics in 2011, she managed to launch a channel at YouTube; ExamFear.com along with working in her job. She began to upload videos of lessons of physics, maths, chemistry and biology with demonstrations and pictorial examples, sooner her videos began to grab a good number of viewers most of them were students of higher standards. As the popularity of her channel grew and Roshni began to receive good remarks from the students she quit her job and dedicatedly got engrossed in her online teaching work. Today her channel has more than 74,000 Subscribers, Roshni is also making some money by Google Ads and also opened up a website where people can contribute anything, and if they wish to pay they can do that there. She thinks that students of higher secondary often suffer from an exam fear that surely affects their efficiency to perform thus she has tried her best to simplify the lessons of the syllabus of supposedly the most complicated and tough subjects. She uploads one video on YouTube everyday with lessons and teaches her students. She has received numerous of appreciations from her online students and in future she is planning to make lessons videos for the students of 6th – 8th standard. Roshni is also planning to run a channel for teaching basic English to students as she feels that Indian students are not so fluent in English verbal as well as written. She wishes that her videos can reach the remote areas and also to the villages so that she can change the lives of numerous and can benefit them.