B.Arch

Hi Raghav,
We consider 50% from NATA and 50% from your 10+2 result in preparing the merit list.

The cut-off depends on the level of the exam. You don't keep thinking about the cut-off, just prepare and perform well.

A student who has a minimum 50 percentage in 10+2 and has qualified for at least one of JEE Main(paper-2) or NATA is eligible .
All the other course details are here:http://www.cuchd.in/architecture-and-design/bachelors-of-architecture.php.

Students can get admission in B.Arch by appearing in NATA entrance exam which is conducted by Council of Architecture every year and qualifying examination from a recognised university or board. There are various colleges which are taking admission of students through this entrance exam. After this process, students get shortlisted in the merit list of NATA test will be called for the counselling process and on the basis of skills and availability of seats, the suitable candidate will get admission.
Regards.

Hi Namrata,
Please find the details here:
https://www.shiksha.com/architecture-planning/course/b-arch-the-maharaja-sayajirao-university-of-baroda-vadodara-180383

Yes, that helps in getting admission easily.

You can do it, if you have the required subjects which includes Chemistry in one of them.