Hi

Your profile suggests that your homestate is Bihar so you will be eligible for other state quota in NIT Agartala

With 70 percentile

• your rank will be around 306900 - 345000  as per our rank predictor at

  JEE Main Rank Predictor 2021 - Predict your JEE Main ...

  JEE Main Rank Predictor - Know your expected IIT JEE Main 2021 Rank by ...

Your obc rank will be around 1 lakh .

When comes to dual degree in mathematics then NIT Agartala offers Mathematics & Computing (5 Years, Bachelor of Science and Master of Science (Dual Degree))

I am extremely sorry to tell you but with above predicted rank you have a very low chance in NIT Agartala even in Mathematics & Computing (5 Years, Bachelor of Science and Master of Science (Dual Degree))

For example,

In 6th round of josaa counselling 2020, closing rank for gender-neutral for obc category was 12010 obc rank under other state in NIT Agartala for Mathematics & Computing (5 Years, Bachelor of Science and Master of Science (Dual Degree))

You can check the same at

https://josaa.nic.in/Result/Result/currentorcr.aspx

Above prediction is on the basis of past year data but  cut off/closing rank for colleges keeps changing every year depending upon many factors like number of students that appeared in the examination, difficulty level of the JEE main question paper for different shifts etc so

To have a personalised report on your chances of getting a college you can go through our college predictor, it will give you complete list of colleges which you can get on the basis of the category you belong to,  your home state, your gender etc, the link for  jee main college predictor is provided below

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

To improve your score in remaining sessions of JEE main you should focus on your preparation go through previous year question papers ,mock test papers and to help you in your preparation we have jee main knockout out for you, for which  is provided below

https://learn.careers360.com/knockout-jee-main

Thankyou