can i register for tamil nadu round 2 counselling for mbbs 2018 in case i havent registered in the first round?
There is no issue if you didn't apply for the first round, You can apply for the second round counselling. You can check the complete information of Tamilnadu Medical counselling with the given below link.
https://medicine.careers360.com/articles/tamil-nadu-mbbs-counselling
Good luck!