Hi Rajat, 

You don't have to apply anymore for a seat at any of the National Law University,  you will be allotted a seat according to your rank and if there is any reservation for J&K residents you will surely be considered for the same. Your marks are on the lower side and chances of getting into one of the NLU is a little difficult but if your category rank is good then you will definitely get into one of the NLU.