dear sir; how can i increase my speed and how i sharp my mind because in this 2 year i could very efforts but i can' t achivecmy goal because my mind is not with me.please give me some tips for making my mind better.

there is nothing like NOT GETTING dear.you must set a target that you have to achieve this for happiness of your parents and social background.you can do one thing.just take your pic,then edit it and let u cover it wih pic when you will get B TECH from iit or any reputed institutes.then you will surely get success.

Revise your chapters thoroughly and take monthly review tests.