Idiot improvement exam would be held in next year in March and you have to submit next year during July whe taking admission your marksheet

Your improvement examination will be held about 1-2 months from now, so you will have to submit your old marks, that will be mentioned on your marksheet. But after admission to the college and after you get the results of the improvement examination you will have to submit your new marksheet in your college and get your marks updated.

Good luck!