JEE

U can get a seating SPAV (school of planning and architecture Vijayawada). .

Minimum Eligibility Criteria for UG Courses:
Candidates need to be Indian nationals to be eligible to apply for admission in UG programmes offered at ICT.
Apart from this, aspirants should have cleared their qualifying examination (having science subjects) with atleast 50% aggregate marks if they are from General category. If the applicant belongs to categories like Backward classes and Persons with Disability then they meet the eligibility criteria if they have secured at least 45% marks. However, this percentage reduction would be offered to candidates belonging to Maharashtra State only.

You cannot get any NIT or IIIT but you can get some private colleges through the Jossa or you should try with the state counselling for private colleges. You can also go for IPU, Nirma, Amity, Chandigarh University, JECRC, etc.

Yes, you can join private self financing campus. You are eligible for a seat in this category.

Super 30 is a coaching institute providing coaching for engineering aspirants from the backward category. I cannot find anything like class 10th material on its website.

There is no firm and fast degree requirement for security analysts. Nevertheless, most employers are going to be looking for a Bachelor's degree in Computer Science, Cyber Security or a related field. So, you see that through JEE Mains, you get a college and take CS or IT branch which introduces you to the basics of the any IT or computer-related jobs and security analyst as you mentioned.

As you know, every student works hard but toppers have a different strategy of smart study which differentiates them from the crowd. The secret of getting more than 250 marks is focusing on those topics which are not asked or very less often asked in the paper. Secondly, revision of topics and paper solving
Thirdly, giving mocks. Do these things and surely success will be yours.
All the best.

For admission to B.Arch course, you need a valid NATA score. All the architecture colleges require a valid NATA score for admission to architecture courses.

Hello,
Hope you are doing well. No, you are not allowed to get NITs with 152 marks and 64.8% in CBSE because you are from general category and your marks do not satisfy NITs cut-off offered for general category. You can try for some other colleges which accept JEE Mains paper 2 score and ranks.
NITs won't be possible for you.
All the best.