Which dress does boys can wear and can we bring water bottles inside?

There is no dress code  for exams so don't think about it .You can bring tour bottle with you.Prepare well for the exam.Best of luck.

There is no specific dress code this year inJEE MAIN. But i suggest you to Don't take these things along with you in exam :

First of all, all types of electronic item,watches.
No stationary(no pens, no pencil).No belt, so wear tight pant.
Tshirt with some Design on front and back.Any type of bracelet.
shoes,Any water bottle,Purse,pens,pencils etc


They would be providing water for
You are allowed with a admit card only and may allow identity proof (Aadhar)

There is no specific dress code for jee main.
Still I suggest you to not to wear shoes and full sleeve shirts.
You are permitted to carry water bottle.