You should get 70 to 80 marks from 200 in NATA to grab a seat in CEPT university for B Arch , for more information and details click on the below link it contains infromation regarding the cut off score

https://collegedunia.com/news/e-271-nata-2015-cutoff

Hey there as you NATA score is average but you have a category quota you can apply for the following colleges through NATA score card.

• Rizvi colleges of architecture,Mumbai 
• BGS school of architecture and planning, Bangalore 
• Dayanad sargar academy of technology and management, Bangalore 
• Balwant seth school of architecture 
• Dy

You have got a good score and you are probably eligible enough to get a good  college pertaining to your interest and choice. Specially you are a meritorious privilidged sections of the nation so you deserve a seat definitely and you would get one for sure.wait for the counselling proceedings

Hello aspirant, congratulations on performing well in NATA 2019. Based on your rank, you can easily secure yourself a seat in Jawaharlal Nehru Technological University, Hyderabad as the cut off marks for last year were nearly 83. The cut off is expected to go upto 88 this year. However, you

Bachelor of Architecture is a five years undergraduate program which can be started after 10+2 with minimum 50% marks.  This course is designed to produce licensed and professional architects who are authorized to do private constructions and government constructions.

Since you are having all the requirements to study B.arch you

Dear aspirant,

Since the COA is now conducting NATA twice a year, one can appear the exam once or both the attempts depending on their own choice of preference.

However, in cases where the candidate is appearing both the attempts, the better of the two scores will be considered.

https://engineering.careers360.com/articles/jee-main-cutoff-for-b-arch-b-planning

See this you will get to know all information with cutoffs

Mainly you are going to get SPA'S, NIT'S and few more 

As per The National Testing Agency or NTA will release JEE Main Eligibility along with the official notification. As a basic condition, candidates appearing/ have passed class 12 with minimum 75% marks can appear for  JEE Main 2019. 

And minimum 65% marks for sc/st candidates.

So if you are from

Dear you should also have given NATA then there would have been lots of options. Still you can find out a seat in private colleges such as SRM University, Amity University or Lovely Professional University. However you can use special tool to find any seat chance in specific counsellling round