7/3/2017 hi friends, I hope some of you are enjoying your vacations while some others are busy with their reference books so for you all i will give you some tips that can help you very well in all your exams so we can start this from tomorrow . I hope this can help you very much if you have any doubt based on the tips that i give you can ask me

hai friends, I'm back after a long 8 years In these time interval, lots of happiest things happened to me, now i have a little brother who is only 4years old at last i had completed by 10th standard Then at present , like every science student going with the theories and rules discovered by our great scientists