B.Tech Eligibility

Yes, you can. If you can write state entrance, you can take admission over there.

Please check for your eligibility to pursue M. Des from the criteria mentioned at the link provided below:
Master of Design (M. Des. ): Eligibility:
The eligibility to pursue Master of Design, one need to have a Bachelor of Design or Bachelor of Architecture degree with a minimum of 50% marks. There are several universities which are offering Master of Design from distance learning also. Their list is as followed:
Amity University, Noida
Aesthetic College of Interior Designing, Calicut, Kerala
Delhi Institute of Technology and Paramedical Sciences, New Delhi
Regards.

Nehru Group of Institutions is one among the best option for you.

Hi Raj,
You are eligible to apply, you can check the course specific entry requirements here:
https://www.shiksha.com/university/dayalbagh-educational-institute-Agra-53469/courses?bc[]=10.

Yes, you can definitely get seat in my college that is Sandip Foundation. You will get admission in Management Quota. Best of luck for your future and if there's any other query, feel free to ask.

Check out the college predictor below to verify:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor

Yes, you are eligible for getting admission in MIT WPU Pune as your Diploma aggregate is good enough to get admission there. They will provide you the best knowledge and also the best placement. So you can try to get admission.
Good luck!!

I presume, yes. Any diploma holder is eligible for admission, provided he has the required rank in IPU-CET as the university takes entrance test for lateral entry as well.