Hi there, Damanpreet Singh B.Tech and M.tech Qualified. I remember those days when I always among the top Science Students in my class. I gained a good ranking in the competitive exams also. I am still a huge fan of Physics and Chemistry. I started my own coaching classes two years back Later, switched to another profession because it did not become a way of fair earning. Still struggling. Yes, it’s my hobby to help everyone through education. If you like my article guidance do share and you can donate 1 dollar only, Your sincere support motivates me to educate the needy ones.