Counselling
It is already started you can fill your choices.
To know which colleges you can get based on your rank you can use below college predictor it will help you to fill the choices
http://www.engineering.careers360.com/upsee-college-predictor
Good Luck!!
You need to show your documents only during the counseling after you will get return your all the documents.
Yes, all the documents you will get return during the counselling. For further you can go through with given below article.
AIIMS counselling
There is no update officially for its seats as its mentioned clearly in the prospectus that it will be updated soon.
You can check the prospectus and its details here: SEATS update
Check page number 7.
Good luck.
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