Do not run behind doubt session!
Don’t completely neglect your mobile and internet! If used in right way can lead to very high score and also no problem of crowdy doubt session.
Don’t try to adopt time table which destroys your sleep cycle. Always have sound sleep of 7- 8 hours otherwise you will end up sleeping more than be awaken. Ultimately destroying your productivity .
Keep care of yourself. Don’t drink watery milk given in hostel (I did because I was lazy enough not to buy and boil milk) , avoid oily food(Most gravy was oily and thus I got lots of pimples) , avoid junk food, avoid spicy(I too did not, but informing you as you will end up sleeping more) but have good food amount in lunch(sleep for 1 hour) and night.
Drink lots of water to keep your body hyderated (I never had the habit and still now too. I rarely drink water. May be half Glass of water in a day). Increase concentration