sir i missed the schedule of uploading documents so when i get another chance to upload and my ranking is in between 2000 to 5000

Hello student. You have applied for it and would have paid the fees for application I guess. I hope they would have given some registration number or something. So kindly go into the website and check with that. They would have correction time and window period for that.
If the correction window period did not end, then you can upload the documents. If not both, you can apply fresh.