Diploma

Hi Prashant,
Yes, many colleges will allow but the admission requirements are different all over, you have to check them directly. Meaning you have to contact them directly and find out the eligibility. The eligibility is also written on the college websites. You must also take IELTS or TOEFL. A lot will also depend on your marks.

Hi Zeeshan! Transfer certificate is one of the documents that would be asked for, while you apply to certain course. There will be other formalities as well depending on the course and institute. Transfer certificate alone will not give you admission in any college.

Check out the link below for eligibility of TNEA entrance exam : https://www.shiksha.com/university/anna-university/exams/tnea

Check out the link below for all the relevant details :
https://www.shiksha.com/b-tech/course/b-tech-part-time-l-d-college-of-engineering-ldce-university-area-ahmedabad-252092

Yes, I think you will get a job in Delhi and if you have done some work, then you will get a job otherwise, your salary will not too much. It depend on you. How fast you work and how fast you can increase your salary by taking experience.