B.Tech

12th board percentage will not be included but a certain percentage will be set as cutoff( for CBSE it's75%) and those getting below will not be able to write the examination.

Yes, if you can secure good marks in JEE Mains.

There is no such big difference between both. Its just this B.Tech is Skill oriented and BE knowledge oriented.
But both of them are similar having equal scope and future in terms of course curriculum, standards and job prospects. Your performance and your knowledge is what matters.
To know more clic

Some of the good engineering colleges in Delhi/NCR for B.Tech are:
1. DTU
2. Indian Institute of Technology, Delhi
3. Amity University, Noida
4. Ajay Kumar Garg Engineering college, Ghaziabad
5. Jamia Millia Islamia, New Delhi

BE or B.Tech is no superior to the other. Its just this B.Tech is Skill oriented and BE knowledge oriented.
But both of them are similar having equal scope and future in terms of course curriculum, standards and job prospects. Your performance is what it matters
To know more click on the link :
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There is only one difference that is of one year you will get your both degree one year before.
In integrated program you have to attend classes of MBA in last year as an extra subject
If you do separately 4+2 years you have to spend.
Integrated program is very useful if your college or institute is

Dear Prabh, although a Masters is better you must know your requirements and career plans and decide accordingly. If you are interested in a research oriented career a Masters will be good, PG Diploma are professional courses good for entry level jobs
Best Wishes