Live test series(Completely free), with previous test series , having leader board and fields of improvement suggestions. You can ask and solve doubts and share(suggest) your best thoughts with others .All Formulas and concepts , NCERT all chapters , with lots of examples of all levels(Basic to advance). You can also send feed back to developer to get instant updates.
It have many short tricks , speed boosters and complete concepts of all chapters. If someone wants to share his/her concept,question or answer with friends, we had taken care of that ,there is an option present to share that.