Electronics and Telecommunication Engineering

Dear Mandar, in case you don't get your desired college, don't settle for something mediocre college. Instead of settling down for some mediocre college, it would be better if your try for some good private university. Many reputed private universities are offering B.Tech degree with various specializations. They have their different criteria for admissions. Some offer admission on basis of JEE scores, some offer admission on basis of their own tests and some offer admission on the basis of both. Some even offer direct admission on basis of class 12th marks. Some of the universities also offer scholarships on basis of your performance in class 12th or JEE or even during the course. You can check the details of any of the reputed universities like VIT, Lovely, SRM, etc. All these universities have wonderful infrastructure and world-class facilities to offer to students apart from good placements. Good luck.

You have 3 options after doing Diploma in electronics and communication engineering:
1) Higher Studies
You can do B.E/B.Tech (4 years duration) which provides more knowledge related to your branch, grows opportunities for getting good job in terms of post, salary from a reputed company.
2) Go for Job
3)
You can directly do job after Diploma if your score is more than 70% along with the deep practical and theoretical knowledge and good communication skills. Government companies:
BHEL
ISRO
NTPC
CDAC
ECIL
BSNL
Private companies:
LSI Logic
Honeywell
Wipro
Intel
Cisco
TCS
3) Short-term courses [B]
If you feel that any two of the above options are not good for you, then you can go for short-term courses (4-6 months each) like:
1) Embedded Systems
2) VLSI
3) Networking (CCNA)
4) Robotics
5) SCADA Communication